54813980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{210823}}^1$

素因数の和:210845

約数の個数: 24

約数和(自身を含む): 123964512

約数和(自身を除く): 69150532

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 210823, 421646, 843292, 1054115, 2108230, 2740699, 4216460, 5481398, 10962796, 13703495, 27406990, 54813980]

約数ペア:

[(1, 54813980), (2, 27406990), (4, 13703495), (5, 10962796), (10, 5481398), (13, 4216460), (20, 2740699), (26, 2108230), (52, 1054115), (65, 843292), (130, 421646), (260, 210823)]