81511600

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{11987}}^1$

素因数の和:12022

約数の個数: 60

約数和(自身を含む): 207368424

約数和(自身を除く): 125856824

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 100, 136, 170, 200, 272, 340, 400, 425, 680, 850, 1360, 1700, 3400, 6800, 11987, 23974, 47948, 59935, 95896, 119870, 191792, 203779, 239740, 299675, 407558, 479480, 599350, 815116, 958960, 1018895, 1198700, 1630232, 2037790, 2397400, 3260464, 4075580, 4794800, 5094475, 8151160, 10188950, 16302320, 20377900, 40755800, 81511600]

約数ペア:

[(1, 81511600), (2, 40755800), (4, 20377900), (5, 16302320), (8, 10188950), (10, 8151160), (16, 5094475), (17, 4794800), (20, 4075580), (25, 3260464), (34, 2397400), (40, 2037790), (50, 1630232), (68, 1198700), (80, 1018895), (85, 958960), (100, 815116), (136, 599350), (170, 479480), (200, 407558), (272, 299675), (340, 239740), (400, 203779), (425, 191792), (680, 119870), (850, 95896), (1360, 59935), (1700, 47948), (3400, 23974), (6800, 11987)]