85245940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{327869}}^1$

素因数の和:327891

約数の個数: 24

約数和(自身を含む): 192787560

約数和(自身を除く): 107541620

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 327869, 655738, 1311476, 1639345, 3278690, 4262297, 6557380, 8524594, 17049188, 21311485, 42622970, 85245940]

約数ペア:

[(1, 85245940), (2, 42622970), (4, 21311485), (5, 17049188), (10, 8524594), (13, 6557380), (20, 4262297), (26, 3278690), (52, 1639345), (65, 1311476), (130, 655738), (260, 327869)]