89289080

素因数分解:

$2^3\times 5^1\times {\mathrm{271}}^1\times {\mathrm{8237}}^1$

素因数の和:8519

約数の個数: 32

約数和(自身を含む): 201666240

約数和(自身を除く): 112377160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 271, 542, 1084, 1355, 2168, 2710, 5420, 8237, 10840, 16474, 32948, 41185, 65896, 82370, 164740, 329480, 2232227, 4464454, 8928908, 11161135, 17857816, 22322270, 44644540, 89289080]

約数ペア:

[(1, 89289080), (2, 44644540), (4, 22322270), (5, 17857816), (8, 11161135), (10, 8928908), (20, 4464454), (40, 2232227), (271, 329480), (542, 164740), (1084, 82370), (1355, 65896), (2168, 41185), (2710, 32948), (5420, 16474), (8237, 10840)]