581620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2237}}^1$

素因数の和:2259

約数の個数: 24

約数和(自身を含む): 1315944

約数和(自身を除く): 734324

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 2237, 4474, 8948, 11185, 22370, 29081, 44740, 58162, 116324, 145405, 290810, 581620]

約数ペア:

[(1, 581620), (2, 290810), (4, 145405), (5, 116324), (10, 58162), (13, 44740), (20, 29081), (26, 22370), (52, 11185), (65, 8948), (130, 4474), (260, 2237)]