25490660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{98041}}^1$

素因数の和:98063

約数の個数: 24

約数和(自身を含む): 57648696

約数和(自身を除く): 32158036

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 98041, 196082, 392164, 490205, 980410, 1274533, 1960820, 2549066, 5098132, 6372665, 12745330, 25490660]

約数ペア:

[(1, 25490660), (2, 12745330), (4, 6372665), (5, 5098132), (10, 2549066), (13, 1960820), (20, 1274533), (26, 980410), (52, 490205), (65, 392164), (130, 196082), (260, 98041)]