130751020

素因数分解:

$2^2\times 5^1\times {\mathrm{691}}^1\times {\mathrm{9461}}^1$

素因数の和:10161

約数の個数: 24

約数和(自身を含む): 275003568

約数和(自身を除く): 144252548

約数列:

[1, 2, 4, 5, 10, 20, 691, 1382, 2764, 3455, 6910, 9461, 13820, 18922, 37844, 47305, 94610, 189220, 6537551, 13075102, 26150204, 32687755, 65375510, 130751020]

約数ペア:

[(1, 130751020), (2, 65375510), (4, 32687755), (5, 26150204), (10, 13075102), (20, 6537551), (691, 189220), (1382, 94610), (2764, 47305), (3455, 37844), (6910, 18922), (9461, 13820)]