187496440

素因数分解:

$2^3\times 5^1\times {\mathrm{1021}}^1\times {\mathrm{4591}}^1$

素因数の和:5623

約数の個数: 32

約数和(自身を含む): 422372160

約数和(自身を除く): 234875720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1021, 2042, 4084, 4591, 5105, 8168, 9182, 10210, 18364, 20420, 22955, 36728, 40840, 45910, 91820, 183640, 4687411, 9374822, 18749644, 23437055, 37499288, 46874110, 93748220, 187496440]

約数ペア:

[(1, 187496440), (2, 93748220), (4, 46874110), (5, 37499288), (8, 23437055), (10, 18749644), (20, 9374822), (40, 4687411), (1021, 183640), (2042, 91820), (4084, 45910), (4591, 40840), (5105, 36728), (8168, 22955), (9182, 20420), (10210, 18364)]