20922550000

素因数分解:

$2^4\times 5^5\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{349}}^1$

素因数の和:502

約数の個数: 240

約数和(自身を含む): 55941732000

約数和(自身を除く): 35019182000

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 109, 110, 125, 176, 200, 218, 220, 250, 275, 349, 400, 436, 440, 500, 545, 550, 625, 698, 872, 880, 1000, 1090, 1100, 1199, 1250, 1375, 1396, 1744, 1745, 2000, 2180, 2200, 2398, 2500, 2725, 2750, 2792, 3125, 3490, 3839, 4360, 4400, 4796, 5000, 5450, 5500, 5584, 5995, 6250, 6875, 6980, 7678, 8720, 8725, 9592, 10000, 10900, 11000, 11990, 12500, 13625, 13750, 13960, 15356, 17450, 19184, 19195, 21800, 22000, 23980, 25000, 27250, 27500, 27920, 29975, 30712, 34375, 34900, 38041, 38390, 43600, 43625, 47960, 50000, 54500, 55000, 59950, 61424, 68125, 68750, 69800, 76082, 76780, 87250, 95920, 95975, 109000, 110000, 119900, 136250, 137500, 139600, 149875, 152164, 153560, 174500, 190205, 191950, 218000, 218125, 239800, 272500, 275000, 299750, 304328, 307120, 340625, 349000, 380410, 383900, 418451, 436250, 479600, 479875, 545000, 550000, 599500, 608656, 681250, 698000, 749375, 760820, 767800, 836902, 872500, 951025, 959750, 1090000, 1090625, 1199000, 1362500, 1498750, 1521640, 1535600, 1673804, 1745000, 1902050, 1919500, 2092255, 2181250, 2398000, 2399375, 2725000, 2997500, 3043280, 3347608, 3490000, 3746875, 3804100, 3839000, 4184510, 4362500, 4755125, 4798750, 5450000, 5995000, 6695216, 7493750, 7608200, 7678000, 8369020, 8725000, 9510250, 9597500, 10461275, 11990000, 11996875, 14987500, 15216400, 16738040, 17450000, 19020500, 19195000, 20922550, 23775625, 23993750, 29975000, 33476080, 38041000, 38390000, 41845100, 47551250, 47987500, 52306375, 59950000, 76082000, 83690200, 95102500, 95975000, 104612750, 118878125, 167380400, 190205000, 191950000, 209225500, 237756250, 261531875, 380410000, 418451000, 475512500, 523063750, 836902000, 951025000, 1046127500, 1307659375, 1902050000, 2092255000, 2615318750, 4184510000, 5230637500, 10461275000, 20922550000]

約数ペア:

[(1, 20922550000), (2, 10461275000), (4, 5230637500), (5, 4184510000), (8, 2615318750), (10, 2092255000), (11, 1902050000), (16, 1307659375), (20, 1046127500), (22, 951025000), (25, 836902000), (40, 523063750), (44, 475512500), (50, 418451000), (55, 380410000), (80, 261531875), (88, 237756250), (100, 209225500), (109, 191950000), (110, 190205000), (125, 167380400), (176, 118878125), (200, 104612750), (218, 95975000), (220, 95102500), (250, 83690200), (275, 76082000), (349, 59950000), (400, 52306375), (436, 47987500), (440, 47551250), (500, 41845100), (545, 38390000), (550, 38041000), (625, 33476080), (698, 29975000), (872, 23993750), (880, 23775625), (1000, 20922550), (1090, 19195000), (1100, 19020500), (1199, 17450000), (1250, 16738040), (1375, 15216400), (1396, 14987500), (1744, 11996875), (1745, 11990000), (2000, 10461275), (2180, 9597500), (2200, 9510250), (2398, 8725000), (2500, 8369020), (2725, 7678000), (2750, 7608200), (2792, 7493750), (3125, 6695216), (3490, 5995000), (3839, 5450000), (4360, 4798750), (4400, 4755125), (4796, 4362500), (5000, 4184510), (5450, 3839000), (5500, 3804100), (5584, 3746875), (5995, 3490000), (6250, 3347608), (6875, 3043280), (6980, 2997500), (7678, 2725000), (8720, 2399375), (8725, 2398000), (9592, 2181250), (10000, 2092255), (10900, 1919500), (11000, 1902050), (11990, 1745000), (12500, 1673804), (13625, 1535600), (13750, 1521640), (13960, 1498750), (15356, 1362500), (17450, 1199000), (19184, 1090625), (19195, 1090000), (21800, 959750), (22000, 951025), (23980, 872500), (25000, 836902), (27250, 767800), (27500, 760820), (27920, 749375), (29975, 698000), (30712, 681250), (34375, 608656), (34900, 599500), (38041, 550000), (38390, 545000), (43600, 479875), (43625, 479600), (47960, 436250), (50000, 418451), (54500, 383900), (55000, 380410), (59950, 349000), (61424, 340625), (68125, 307120), (68750, 304328), (69800, 299750), (76082, 275000), (76780, 272500), (87250, 239800), (95920, 218125), (95975, 218000), (109000, 191950), (110000, 190205), (119900, 174500), (136250, 153560), (137500, 152164), (139600, 149875)]