66087980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{472057}}^1$

素因数の和:472073

約数の個数: 24

約数和(自身を含む): 158611488

約数和(自身を除く): 92523508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 472057, 944114, 1888228, 2360285, 3304399, 4720570, 6608798, 9441140, 13217596, 16521995, 33043990, 66087980]

約数ペア:

[(1, 66087980), (2, 33043990), (4, 16521995), (5, 13217596), (7, 9441140), (10, 6608798), (14, 4720570), (20, 3304399), (28, 2360285), (35, 1888228), (70, 944114), (140, 472057)]