65602280

素因数分解:

$2^3\times 5^1\times {\mathrm{1640057}}^1$

素因数の和:1640068

約数の個数: 16

約数和(自身を含む): 147605220

約数和(自身を除く): 82002940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1640057, 3280114, 6560228, 8200285, 13120456, 16400570, 32801140, 65602280]

約数ペア:

[(1, 65602280), (2, 32801140), (4, 16400570), (5, 13120456), (8, 8200285), (10, 6560228), (20, 3280114), (40, 1640057)]