28621360

素因数分解:

$2^4\times 5^1\times {\mathrm{357767}}^1$

素因数の和:357780

約数の個数: 20

約数和(自身を含む): 66544848

約数和(自身を除く): 37923488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 357767, 715534, 1431068, 1788835, 2862136, 3577670, 5724272, 7155340, 14310680, 28621360]

約数ペア:

[(1, 28621360), (2, 14310680), (4, 7155340), (5, 5724272), (8, 3577670), (10, 2862136), (16, 1788835), (20, 1431068), (40, 715534), (80, 357767)]