42547580

素因数分解:

$2^2\times 5^1\times {\mathrm{2127379}}^1$

素因数の和:2127388

約数の個数: 12

約数和(自身を含む): 89349960

約数和(自身を除く): 46802380

約数列:

[1, 2, 4, 5, 10, 20, 2127379, 4254758, 8509516, 10636895, 21273790, 42547580]

約数ペア:

[(1, 42547580), (2, 21273790), (4, 10636895), (5, 8509516), (10, 4254758), (20, 2127379)]