201636560

素因数分解:

$2^4\times 5^1\times {\mathrm{2520457}}^1$

素因数の和:2520470

約数の個数: 20

約数和(自身を含む): 468805188

約数和(自身を除く): 267168628

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2520457, 5040914, 10081828, 12602285, 20163656, 25204570, 40327312, 50409140, 100818280, 201636560]

約数ペア:

[(1, 201636560), (2, 100818280), (4, 50409140), (5, 40327312), (8, 25204570), (10, 20163656), (16, 12602285), (20, 10081828), (40, 5040914), (80, 2520457)]