85203820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{327707}}^1$

素因数の和:327729

約数の個数: 24

約数和(自身を含む): 192692304

約数和(自身を除く): 107488484

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 327707, 655414, 1310828, 1638535, 3277070, 4260191, 6554140, 8520382, 17040764, 21300955, 42601910, 85203820]

約数ペア:

[(1, 85203820), (2, 42601910), (4, 21300955), (5, 17040764), (10, 8520382), (13, 6554140), (20, 4260191), (26, 3277070), (52, 1638535), (65, 1310828), (130, 655414), (260, 327707)]