56561420

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{27457}}^1$

素因数の和:27569

約数の個数: 24

約数和(自身を含む): 119936544

約数和(自身を除く): 63375124

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 27457, 54914, 109828, 137285, 274570, 549140, 2828071, 5656142, 11312284, 14140355, 28280710, 56561420]

約数ペア:

[(1, 56561420), (2, 28280710), (4, 14140355), (5, 11312284), (10, 5656142), (20, 2828071), (103, 549140), (206, 274570), (412, 137285), (515, 109828), (1030, 54914), (2060, 27457)]