71681240

素因数分解:

$2^3\times 5^1\times {\mathrm{1792031}}^1$

素因数の和:1792042

約数の個数: 16

約数和(自身を含む): 161282880

約数和(自身を除く): 89601640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1792031, 3584062, 7168124, 8960155, 14336248, 17920310, 35840620, 71681240]

約数ペア:

[(1, 71681240), (2, 35840620), (4, 17920310), (5, 14336248), (8, 8960155), (10, 7168124), (20, 3584062), (40, 1792031)]