68980460

素因数分解:

$2^2\times 5^1\times {\mathrm{1667}}^1\times {\mathrm{2069}}^1$

素因数の和:3745

約数の個数: 24

約数和(自身を含む): 145015920

約数和(自身を除く): 76035460

約数列:

[1, 2, 4, 5, 10, 20, 1667, 2069, 3334, 4138, 6668, 8276, 8335, 10345, 16670, 20690, 33340, 41380, 3449023, 6898046, 13796092, 17245115, 34490230, 68980460]

約数ペア:

[(1, 68980460), (2, 34490230), (4, 17245115), (5, 13796092), (10, 6898046), (20, 3449023), (1667, 41380), (2069, 33340), (3334, 20690), (4138, 16670), (6668, 10345), (8276, 8335)]