89901760

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21611}}^1$

素因数の和:21641

約数の個数: 56

約数和(自身を含む): 230556816

約数和(自身を除く): 140655056

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 21611, 43222, 86444, 108055, 172888, 216110, 280943, 345776, 432220, 561886, 691552, 864440, 1123772, 1383104, 1404715, 1728880, 2247544, 2809430, 3457760, 4495088, 5618860, 6915520, 8990176, 11237720, 17980352, 22475440, 44950880, 89901760]

約数ペア:

[(1, 89901760), (2, 44950880), (4, 22475440), (5, 17980352), (8, 11237720), (10, 8990176), (13, 6915520), (16, 5618860), (20, 4495088), (26, 3457760), (32, 2809430), (40, 2247544), (52, 1728880), (64, 1404715), (65, 1383104), (80, 1123772), (104, 864440), (130, 691552), (160, 561886), (208, 432220), (260, 345776), (320, 280943), (416, 216110), (520, 172888), (832, 108055), (1040, 86444), (2080, 43222), (4160, 21611)]