65011120

素因数分解:

$2^4\times 5^1\times {\mathrm{812639}}^1$

素因数の和:812652

約数の個数: 20

約数和(自身を含む): 151151040

約数和(自身を除く): 86139920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 812639, 1625278, 3250556, 4063195, 6501112, 8126390, 13002224, 16252780, 32505560, 65011120]

約数ペア:

[(1, 65011120), (2, 32505560), (4, 16252780), (5, 13002224), (8, 8126390), (10, 6501112), (16, 4063195), (20, 3250556), (40, 1625278), (80, 812639)]