25409360

素因数分解:

$2^4\times 5^1\times {\mathrm{317617}}^1$

素因数の和:317630

約数の個数: 20

約数和(自身を含む): 59076948

約数和(自身を除く): 33667588

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 317617, 635234, 1270468, 1588085, 2540936, 3176170, 5081872, 6352340, 12704680, 25409360]

約数ペア:

[(1, 25409360), (2, 12704680), (4, 6352340), (5, 5081872), (8, 3176170), (10, 2540936), (16, 1588085), (20, 1270468), (40, 635234), (80, 317617)]