85908280

素因数分解:

$2^3\times 5^1\times {\mathrm{967}}^1\times {\mathrm{2221}}^1$

素因数の和:3199

約数の個数: 32

約数和(自身を含む): 193580640

約数和(自身を除く): 107672360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 967, 1934, 2221, 3868, 4442, 4835, 7736, 8884, 9670, 11105, 17768, 19340, 22210, 38680, 44420, 88840, 2147707, 4295414, 8590828, 10738535, 17181656, 21477070, 42954140, 85908280]

約数ペア:

[(1, 85908280), (2, 42954140), (4, 21477070), (5, 17181656), (8, 10738535), (10, 8590828), (20, 4295414), (40, 2147707), (967, 88840), (1934, 44420), (2221, 38680), (3868, 22210), (4442, 19340), (4835, 17768), (7736, 11105), (8884, 9670)]