89418820

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{62971}}^1$

素因数の和:63051

約数の個数: 24

約数和(自身を含む): 190427328

約数和(自身を除く): 101008508

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 62971, 125942, 251884, 314855, 629710, 1259420, 4470941, 8941882, 17883764, 22354705, 44709410, 89418820]

約数ペア:

[(1, 89418820), (2, 44709410), (4, 22354705), (5, 17883764), (10, 8941882), (20, 4470941), (71, 1259420), (142, 629710), (284, 314855), (355, 251884), (710, 125942), (1420, 62971)]