125628260

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{40009}}^1$

素因数の和:40175

約数の個数: 24

約数和(自身を含む): 265506360

約数和(自身を除く): 139878100

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 40009, 80018, 160036, 200045, 400090, 800180, 6281413, 12562826, 25125652, 31407065, 62814130, 125628260]

約数ペア:

[(1, 125628260), (2, 62814130), (4, 31407065), (5, 25125652), (10, 12562826), (20, 6281413), (157, 800180), (314, 400090), (628, 200045), (785, 160036), (1570, 80018), (3140, 40009)]