51258220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197147}}^1$

素因数の和:197169

約数の個数: 24

約数和(自身を含む): 115923024

約数和(自身を除く): 64664804

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 197147, 394294, 788588, 985735, 1971470, 2562911, 3942940, 5125822, 10251644, 12814555, 25629110, 51258220]

約数ペア:

[(1, 51258220), (2, 25629110), (4, 12814555), (5, 10251644), (10, 5125822), (13, 3942940), (20, 2562911), (26, 1971470), (52, 985735), (65, 788588), (130, 394294), (260, 197147)]