123820460

素因数分解:

$2^2\times 5^1\times {\mathrm{1381}}^1\times {\mathrm{4483}}^1$

素因数の和:5873

約数の個数: 24

約数和(自身を含む): 260269296

約数和(自身を除く): 136448836

約数列:

[1, 2, 4, 5, 10, 20, 1381, 2762, 4483, 5524, 6905, 8966, 13810, 17932, 22415, 27620, 44830, 89660, 6191023, 12382046, 24764092, 30955115, 61910230, 123820460]

約数ペア:

[(1, 123820460), (2, 61910230), (4, 30955115), (5, 24764092), (10, 12382046), (20, 6191023), (1381, 89660), (2762, 44830), (4483, 27620), (5524, 22415), (6905, 17932), (8966, 13810)]