26280800

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2$

素因数の和:78

約数の個数: 216

約数和(自身を含む): 83338416

約数和(自身を除く): 57057616

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 19, 20, 25, 26, 28, 32, 35, 38, 40, 50, 52, 56, 65, 70, 76, 80, 91, 95, 100, 104, 112, 130, 133, 140, 152, 160, 175, 182, 190, 200, 208, 224, 247, 260, 266, 280, 304, 325, 350, 361, 364, 380, 400, 416, 455, 475, 494, 520, 532, 560, 608, 650, 665, 700, 722, 728, 760, 800, 910, 950, 988, 1040, 1064, 1120, 1235, 1300, 1330, 1400, 1444, 1456, 1520, 1729, 1805, 1820, 1900, 1976, 2080, 2128, 2275, 2470, 2527, 2600, 2660, 2800, 2888, 2912, 3040, 3325, 3458, 3610, 3640, 3800, 3952, 4256, 4550, 4693, 4940, 5054, 5200, 5320, 5600, 5776, 6175, 6650, 6916, 7220, 7280, 7600, 7904, 8645, 9025, 9100, 9386, 9880, 10108, 10400, 10640, 11552, 12350, 12635, 13300, 13832, 14440, 14560, 15200, 17290, 18050, 18200, 18772, 19760, 20216, 21280, 23465, 24700, 25270, 26600, 27664, 28880, 32851, 34580, 36100, 36400, 37544, 39520, 40432, 43225, 46930, 49400, 50540, 53200, 55328, 57760, 63175, 65702, 69160, 72200, 72800, 75088, 80864, 86450, 93860, 98800, 101080, 106400, 117325, 126350, 131404, 138320, 144400, 150176, 164255, 172900, 187720, 197600, 202160, 234650, 252700, 262808, 276640, 288800, 328510, 345800, 375440, 404320, 469300, 505400, 525616, 657020, 691600, 750880, 821275, 938600, 1010800, 1051232, 1314040, 1383200, 1642550, 1877200, 2021600, 2628080, 3285100, 3754400, 5256160, 6570200, 13140400, 26280800]

約数ペア:

[(1, 26280800), (2, 13140400), (4, 6570200), (5, 5256160), (7, 3754400), (8, 3285100), (10, 2628080), (13, 2021600), (14, 1877200), (16, 1642550), (19, 1383200), (20, 1314040), (25, 1051232), (26, 1010800), (28, 938600), (32, 821275), (35, 750880), (38, 691600), (40, 657020), (50, 525616), (52, 505400), (56, 469300), (65, 404320), (70, 375440), (76, 345800), (80, 328510), (91, 288800), (95, 276640), (100, 262808), (104, 252700), (112, 234650), (130, 202160), (133, 197600), (140, 187720), (152, 172900), (160, 164255), (175, 150176), (182, 144400), (190, 138320), (200, 131404), (208, 126350), (224, 117325), (247, 106400), (260, 101080), (266, 98800), (280, 93860), (304, 86450), (325, 80864), (350, 75088), (361, 72800), (364, 72200), (380, 69160), (400, 65702), (416, 63175), (455, 57760), (475, 55328), (494, 53200), (520, 50540), (532, 49400), (560, 46930), (608, 43225), (650, 40432), (665, 39520), (700, 37544), (722, 36400), (728, 36100), (760, 34580), (800, 32851), (910, 28880), (950, 27664), (988, 26600), (1040, 25270), (1064, 24700), (1120, 23465), (1235, 21280), (1300, 20216), (1330, 19760), (1400, 18772), (1444, 18200), (1456, 18050), (1520, 17290), (1729, 15200), (1805, 14560), (1820, 14440), (1900, 13832), (1976, 13300), (2080, 12635), (2128, 12350), (2275, 11552), (2470, 10640), (2527, 10400), (2600, 10108), (2660, 9880), (2800, 9386), (2888, 9100), (2912, 9025), (3040, 8645), (3325, 7904), (3458, 7600), (3610, 7280), (3640, 7220), (3800, 6916), (3952, 6650), (4256, 6175), (4550, 5776), (4693, 5600), (4940, 5320), (5054, 5200)]