2102051260

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{644801}}^1$

素因数の和:644973

約数の個数: 24

約数和(自身を含む): 4441396176

約数和(自身を除く): 2339344916

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 644801, 1289602, 2579204, 3224005, 6448010, 12896020, 105102563, 210205126, 420410252, 525512815, 1051025630, 2102051260]

約数ペア:

[(1, 2102051260), (2, 1051025630), (4, 525512815), (5, 420410252), (10, 210205126), (20, 105102563), (163, 12896020), (326, 6448010), (652, 3224005), (815, 2579204), (1630, 1289602), (3260, 644801)]