8381620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{32237}}^1$

素因数の和:32259

約数の個数: 24

約数和(自身を含む): 18955944

約数和(自身を除く): 10574324

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 32237, 64474, 128948, 161185, 322370, 419081, 644740, 838162, 1676324, 2095405, 4190810, 8381620]

約数ペア:

[(1, 8381620), (2, 4190810), (4, 2095405), (5, 1676324), (10, 838162), (13, 644740), (20, 419081), (26, 322370), (52, 161185), (65, 128948), (130, 64474), (260, 32237)]