25318540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97379}}^1$

素因数の和:97401

約数の個数: 24

約数和(自身を含む): 57259440

約数和(自身を除く): 31940900

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 97379, 194758, 389516, 486895, 973790, 1265927, 1947580, 2531854, 5063708, 6329635, 12659270, 25318540]

約数ペア:

[(1, 25318540), (2, 12659270), (4, 6329635), (5, 5063708), (10, 2531854), (13, 1947580), (20, 1265927), (26, 973790), (52, 486895), (65, 389516), (130, 194758), (260, 97379)]