56841980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{218623}}^1$

素因数の和:218645

約数の個数: 24

約数和(自身を含む): 128550912

約数和(自身を除く): 71708932

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 218623, 437246, 874492, 1093115, 2186230, 2842099, 4372460, 5684198, 11368396, 14210495, 28420990, 56841980]

約数ペア:

[(1, 56841980), (2, 28420990), (4, 14210495), (5, 11368396), (10, 5684198), (13, 4372460), (20, 2842099), (26, 2186230), (52, 1093115), (65, 874492), (130, 437246), (260, 218623)]