25233680

素因数分解:

$2^4\times 5^1\times {\mathrm{315421}}^1$

素因数の和:315434

約数の個数: 20

約数和(自身を含む): 58668492

約数和(自身を除く): 33434812

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 315421, 630842, 1261684, 1577105, 2523368, 3154210, 5046736, 6308420, 12616840, 25233680]

約数ペア:

[(1, 25233680), (2, 12616840), (4, 6308420), (5, 5046736), (8, 3154210), (10, 2523368), (16, 1577105), (20, 1261684), (40, 630842), (80, 315421)]