91390840

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1$

素因数の和:412

約数の個数: 64

約数和(自身を含む): 210418560

約数和(自身を除く): 119027720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 131, 163, 214, 262, 326, 428, 524, 535, 652, 655, 815, 856, 1048, 1070, 1304, 1310, 1630, 2140, 2620, 3260, 4280, 5240, 6520, 14017, 17441, 21353, 28034, 34882, 42706, 56068, 69764, 70085, 85412, 87205, 106765, 112136, 139528, 140170, 170824, 174410, 213530, 280340, 348820, 427060, 560680, 697640, 854120, 2284771, 4569542, 9139084, 11423855, 18278168, 22847710, 45695420, 91390840]

約数ペア:

[(1, 91390840), (2, 45695420), (4, 22847710), (5, 18278168), (8, 11423855), (10, 9139084), (20, 4569542), (40, 2284771), (107, 854120), (131, 697640), (163, 560680), (214, 427060), (262, 348820), (326, 280340), (428, 213530), (524, 174410), (535, 170824), (652, 140170), (655, 139528), (815, 112136), (856, 106765), (1048, 87205), (1070, 85412), (1304, 70085), (1310, 69764), (1630, 56068), (2140, 42706), (2620, 34882), (3260, 28034), (4280, 21353), (5240, 17441), (6520, 14017)]