1040080

素因数分解:

$2^4\times 5^1\times {\mathrm{13001}}^1$

素因数の和:13014

約数の個数: 20

約数和(自身を含む): 2418372

約数和(自身を除く): 1378292

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 13001, 26002, 52004, 65005, 104008, 130010, 208016, 260020, 520040, 1040080]

約数ペア:

[(1, 1040080), (2, 520040), (4, 260020), (5, 208016), (8, 130010), (10, 104008), (16, 65005), (20, 52004), (40, 26002), (80, 13001)]