505142020

素因数分解:

$2^2\times 5^1\times {\mathrm{25257101}}^1$

素因数の和:25257110

約数の個数: 12

約数和(自身を含む): 1060798284

約数和(自身を除く): 555656264

約数列:

[1, 2, 4, 5, 10, 20, 25257101, 50514202, 101028404, 126285505, 252571010, 505142020]

約数ペア:

[(1, 505142020), (2, 252571010), (4, 126285505), (5, 101028404), (10, 50514202), (20, 25257101)]