42520340

素因数分解:

$2^2\times 5^1\times {\mathrm{2126017}}^1$

素因数の和:2126026

約数の個数: 12

約数和(自身を含む): 89292756

約数和(自身を除く): 46772416

約数列:

[1, 2, 4, 5, 10, 20, 2126017, 4252034, 8504068, 10630085, 21260170, 42520340]

約数ペア:

[(1, 42520340), (2, 21260170), (4, 10630085), (5, 8504068), (10, 4252034), (20, 2126017)]