85211620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{327737}}^1$

素因数の和:327759

約数の個数: 24

約数和(自身を含む): 192709944

約数和(自身を除く): 107498324

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 327737, 655474, 1310948, 1638685, 3277370, 4260581, 6554740, 8521162, 17042324, 21302905, 42605810, 85211620]

約数ペア:

[(1, 85211620), (2, 42605810), (4, 21302905), (5, 17042324), (10, 8521162), (13, 6554740), (20, 4260581), (26, 3277370), (52, 1638685), (65, 1310948), (130, 655474), (260, 327737)]