81055000

素因数分解:

$2^3\times 5^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:111

約数の個数: 160

約数和(自身を含む): 216493200

約数和(自身を除く): 135438200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 29, 40, 43, 50, 52, 58, 65, 86, 100, 104, 116, 125, 130, 145, 172, 200, 215, 232, 250, 260, 290, 325, 344, 377, 430, 500, 520, 559, 580, 625, 650, 725, 754, 860, 1000, 1075, 1118, 1160, 1247, 1250, 1300, 1450, 1508, 1625, 1720, 1885, 2150, 2236, 2494, 2500, 2600, 2795, 2900, 3016, 3250, 3625, 3770, 4300, 4472, 4988, 5000, 5375, 5590, 5800, 6235, 6500, 7250, 7540, 8125, 8600, 9425, 9976, 10750, 11180, 12470, 13000, 13975, 14500, 15080, 16211, 16250, 18125, 18850, 21500, 22360, 24940, 26875, 27950, 29000, 31175, 32422, 32500, 36250, 37700, 43000, 47125, 49880, 53750, 55900, 62350, 64844, 65000, 69875, 72500, 75400, 81055, 94250, 107500, 111800, 124700, 129688, 139750, 145000, 155875, 162110, 188500, 215000, 235625, 249400, 279500, 311750, 324220, 349375, 377000, 405275, 471250, 559000, 623500, 648440, 698750, 779375, 810550, 942500, 1247000, 1397500, 1558750, 1621100, 1885000, 2026375, 2795000, 3117500, 3242200, 4052750, 6235000, 8105500, 10131875, 16211000, 20263750, 40527500, 81055000]

約数ペア:

[(1, 81055000), (2, 40527500), (4, 20263750), (5, 16211000), (8, 10131875), (10, 8105500), (13, 6235000), (20, 4052750), (25, 3242200), (26, 3117500), (29, 2795000), (40, 2026375), (43, 1885000), (50, 1621100), (52, 1558750), (58, 1397500), (65, 1247000), (86, 942500), (100, 810550), (104, 779375), (116, 698750), (125, 648440), (130, 623500), (145, 559000), (172, 471250), (200, 405275), (215, 377000), (232, 349375), (250, 324220), (260, 311750), (290, 279500), (325, 249400), (344, 235625), (377, 215000), (430, 188500), (500, 162110), (520, 155875), (559, 145000), (580, 139750), (625, 129688), (650, 124700), (725, 111800), (754, 107500), (860, 94250), (1000, 81055), (1075, 75400), (1118, 72500), (1160, 69875), (1247, 65000), (1250, 64844), (1300, 62350), (1450, 55900), (1508, 53750), (1625, 49880), (1720, 47125), (1885, 43000), (2150, 37700), (2236, 36250), (2494, 32500), (2500, 32422), (2600, 31175), (2795, 29000), (2900, 27950), (3016, 26875), (3250, 24940), (3625, 22360), (3770, 21500), (4300, 18850), (4472, 18125), (4988, 16250), (5000, 16211), (5375, 15080), (5590, 14500), (5800, 13975), (6235, 13000), (6500, 12470), (7250, 11180), (7540, 10750), (8125, 9976), (8600, 9425)]