25238980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97073}}^1$

素因数の和:97095

約数の個数: 24

約数和(自身を含む): 57079512

約数和(自身を除く): 31840532

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 97073, 194146, 388292, 485365, 970730, 1261949, 1941460, 2523898, 5047796, 6309745, 12619490, 25238980]

約数ペア:

[(1, 25238980), (2, 12619490), (4, 6309745), (5, 5047796), (10, 2523898), (13, 1941460), (20, 1261949), (26, 970730), (52, 485365), (65, 388292), (130, 194146), (260, 97073)]