25259380

素因数分解:

$2^2\times 5^1\times {\mathrm{499}}^1\times {\mathrm{2531}}^1$

素因数の和:3039

約数の個数: 24

約数和(自身を含む): 53172000

約数和(自身を除く): 27912620

約数列:

[1, 2, 4, 5, 10, 20, 499, 998, 1996, 2495, 2531, 4990, 5062, 9980, 10124, 12655, 25310, 50620, 1262969, 2525938, 5051876, 6314845, 12629690, 25259380]

約数ペア:

[(1, 25259380), (2, 12629690), (4, 6314845), (5, 5051876), (10, 2525938), (20, 1262969), (499, 50620), (998, 25310), (1996, 12655), (2495, 10124), (2531, 9980), (4990, 5062)]