7952080

素因数分解:

$2^4\times 5^1\times {\mathrm{99401}}^1$

素因数の和:99414

約数の個数: 20

約数和(自身を含む): 18488772

約数和(自身を除く): 10536692

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 99401, 198802, 397604, 497005, 795208, 994010, 1590416, 1988020, 3976040, 7952080]

約数ペア:

[(1, 7952080), (2, 3976040), (4, 1988020), (5, 1590416), (8, 994010), (10, 795208), (16, 497005), (20, 397604), (40, 198802), (80, 99401)]