80951080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{289111}}^1$

素因数の和:289129

約数の個数: 32

約数和(自身を含む): 208160640

約数和(自身を除く): 127209560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 289111, 578222, 1156444, 1445555, 2023777, 2312888, 2891110, 4047554, 5782220, 8095108, 10118885, 11564440, 16190216, 20237770, 40475540, 80951080]

約数ペア:

[(1, 80951080), (2, 40475540), (4, 20237770), (5, 16190216), (7, 11564440), (8, 10118885), (10, 8095108), (14, 5782220), (20, 4047554), (28, 2891110), (35, 2312888), (40, 2023777), (56, 1445555), (70, 1156444), (140, 578222), (280, 289111)]