81326830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{625591}}^1$

素因数の和:625611

約数の個数: 16

約数和(自身を含む): 157649184

約数和(自身を除く): 76322354

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 625591, 1251182, 3127955, 6255910, 8132683, 16265366, 40663415, 81326830]

約数ペア:

[(1, 81326830), (2, 40663415), (5, 16265366), (10, 8132683), (13, 6255910), (26, 3127955), (65, 1251182), (130, 625591)]