80371180

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{138571}}^1$

素因数の和:138609

約数の個数: 24

約数和(自身を含む): 174600720

約数和(自身を除く): 94229540

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 138571, 277142, 554284, 692855, 1385710, 2771420, 4018559, 8037118, 16074236, 20092795, 40185590, 80371180]

約数ペア:

[(1, 80371180), (2, 40185590), (4, 20092795), (5, 16074236), (10, 8037118), (20, 4018559), (29, 2771420), (58, 1385710), (116, 692855), (145, 554284), (290, 277142), (580, 138571)]