68842040

素因数分解:

$2^3\times 5^1\times {\mathrm{499}}^1\times {\mathrm{3449}}^1$

素因数の和:3959

約数の個数: 32

約数和(自身を含む): 155250000

約数和(自身を除く): 86407960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 499, 998, 1996, 2495, 3449, 3992, 4990, 6898, 9980, 13796, 17245, 19960, 27592, 34490, 68980, 137960, 1721051, 3442102, 6884204, 8605255, 13768408, 17210510, 34421020, 68842040]

約数ペア:

[(1, 68842040), (2, 34421020), (4, 17210510), (5, 13768408), (8, 8605255), (10, 6884204), (20, 3442102), (40, 1721051), (499, 137960), (998, 68980), (1996, 34490), (2495, 27592), (3449, 19960), (3992, 17245), (4990, 13796), (6898, 9980)]