80641820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{576013}}^1$

素因数の和:576029

約数の個数: 24

約数和(自身を含む): 193540704

約数和(自身を除く): 112898884

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 576013, 1152026, 2304052, 2880065, 4032091, 5760130, 8064182, 11520260, 16128364, 20160455, 40320910, 80641820]

約数ペア:

[(1, 80641820), (2, 40320910), (4, 20160455), (5, 16128364), (7, 11520260), (10, 8064182), (14, 5760130), (20, 4032091), (28, 2880065), (35, 2304052), (70, 1152026), (140, 576013)]