80725160

素因数分解:

$2^3\times 5^1\times {\mathrm{967}}^1\times {\mathrm{2087}}^1$

素因数の和:3065

約数の個数: 32

約数和(自身を含む): 181906560

約数和(自身を除く): 101181400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 967, 1934, 2087, 3868, 4174, 4835, 7736, 8348, 9670, 10435, 16696, 19340, 20870, 38680, 41740, 83480, 2018129, 4036258, 8072516, 10090645, 16145032, 20181290, 40362580, 80725160]

約数ペア:

[(1, 80725160), (2, 40362580), (4, 20181290), (5, 16145032), (8, 10090645), (10, 8072516), (20, 4036258), (40, 2018129), (967, 83480), (1934, 41740), (2087, 38680), (3868, 20870), (4174, 19340), (4835, 16696), (7736, 10435), (8348, 9670)]