123065920

素因数分解:

$2^6\times 5^1\times {\mathrm{384581}}^1$

素因数の和:384598

約数の個数: 28

約数和(自身を含む): 293051484

約数和(自身を除く): 169985564

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 384581, 769162, 1538324, 1922905, 3076648, 3845810, 6153296, 7691620, 12306592, 15383240, 24613184, 30766480, 61532960, 123065920]

約数ペア:

[(1, 123065920), (2, 61532960), (4, 30766480), (5, 24613184), (8, 15383240), (10, 12306592), (16, 7691620), (20, 6153296), (32, 3845810), (40, 3076648), (64, 1922905), (80, 1538324), (160, 769162), (320, 384581)]