25957540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{5981}}^1$

素因数の和:6028

約数の個数: 48

約数和(自身を含む): 64318464

約数和(自身を除く): 38360924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 5981, 11962, 23924, 29905, 41867, 59810, 83734, 119620, 167468, 185411, 209335, 370822, 418670, 741644, 837340, 927055, 1297877, 1854110, 2595754, 3708220, 5191508, 6489385, 12978770, 25957540]

約数ペア:

[(1, 25957540), (2, 12978770), (4, 6489385), (5, 5191508), (7, 3708220), (10, 2595754), (14, 1854110), (20, 1297877), (28, 927055), (31, 837340), (35, 741644), (62, 418670), (70, 370822), (124, 209335), (140, 185411), (155, 167468), (217, 119620), (310, 83734), (434, 59810), (620, 41867), (868, 29905), (1085, 23924), (2170, 11962), (4340, 5981)]