72185620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{277637}}^1$

素因数の和:277659

約数の個数: 24

約数和(自身を含む): 163251144

約数和(自身を除く): 91065524

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 277637, 555274, 1110548, 1388185, 2776370, 3609281, 5552740, 7218562, 14437124, 18046405, 36092810, 72185620]

約数ペア:

[(1, 72185620), (2, 36092810), (4, 18046405), (5, 14437124), (10, 7218562), (13, 5552740), (20, 3609281), (26, 2776370), (52, 1388185), (65, 1110548), (130, 555274), (260, 277637)]