71206040

素因数分解:

$2^3\times 5^1\times {\mathrm{1780151}}^1$

素因数の和:1780162

約数の個数: 16

約数和(自身を含む): 160213680

約数和(自身を除く): 89007640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1780151, 3560302, 7120604, 8900755, 14241208, 17801510, 35603020, 71206040]

約数ペア:

[(1, 71206040), (2, 35603020), (4, 17801510), (5, 14241208), (8, 8900755), (10, 7120604), (20, 3560302), (40, 1780151)]