64910180

素因数分解:

$2^2\times 5^1\times {\mathrm{941}}^1\times {\mathrm{3449}}^1$

素因数の和:4399

約数の個数: 24

約数和(自身を含む): 136495800

約数和(自身を除く): 71585620

約数列:

[1, 2, 4, 5, 10, 20, 941, 1882, 3449, 3764, 4705, 6898, 9410, 13796, 17245, 18820, 34490, 68980, 3245509, 6491018, 12982036, 16227545, 32455090, 64910180]

約数ペア:

[(1, 64910180), (2, 32455090), (4, 16227545), (5, 12982036), (10, 6491018), (20, 3245509), (941, 68980), (1882, 34490), (3449, 18820), (3764, 17245), (4705, 13796), (6898, 9410)]