25719850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{39569}}^1$

素因数の和:39594

約数の個数: 24

約数和(自身を含む): 51520140

約数和(自身を除く): 25800290

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 39569, 79138, 197845, 395690, 514397, 989225, 1028794, 1978450, 2571985, 5143970, 12859925, 25719850]

約数ペア:

[(1, 25719850), (2, 12859925), (5, 5143970), (10, 2571985), (13, 1978450), (25, 1028794), (26, 989225), (50, 514397), (65, 395690), (130, 197845), (325, 79138), (650, 39569)]