2480492020

素因数分解:

$2^2\times 5^1\times {\mathrm{124024601}}^1$

素因数の和:124024610

約数の個数: 12

約数和(自身を含む): 5209033284

約数和(自身を除く): 2728541264

約数列:

[1, 2, 4, 5, 10, 20, 124024601, 248049202, 496098404, 620123005, 1240246010, 2480492020]

約数ペア:

[(1, 2480492020), (2, 1240246010), (4, 620123005), (5, 496098404), (10, 248049202), (20, 124024601)]