25705940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{98869}}^1$

素因数の和:98891

約数の個数: 24

約数和(自身を含む): 58135560

約数和(自身を除く): 32429620

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 98869, 197738, 395476, 494345, 988690, 1285297, 1977380, 2570594, 5141188, 6426485, 12852970, 25705940]

約数ペア:

[(1, 25705940), (2, 12852970), (4, 6426485), (5, 5141188), (10, 2570594), (13, 1977380), (20, 1285297), (26, 988690), (52, 494345), (65, 395476), (130, 197738), (260, 98869)]