25489580

素因数分解:

$2^2\times 5^1\times {\mathrm{487}}^1\times {\mathrm{2617}}^1$

素因数の和:3113

約数の個数: 24

約数和(自身を含む): 53658528

約数和(自身を除く): 28168948

約数列:

[1, 2, 4, 5, 10, 20, 487, 974, 1948, 2435, 2617, 4870, 5234, 9740, 10468, 13085, 26170, 52340, 1274479, 2548958, 5097916, 6372395, 12744790, 25489580]

約数ペア:

[(1, 25489580), (2, 12744790), (4, 6372395), (5, 5097916), (10, 2548958), (20, 1274479), (487, 52340), (974, 26170), (1948, 13085), (2435, 10468), (2617, 9740), (4870, 5234)]