15840280

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{3701}}^1$

素因数の和:3819

約数の個数: 32

約数和(自身を含む): 35983440

約数和(自身を除く): 20143160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 3701, 4280, 7402, 14804, 18505, 29608, 37010, 74020, 148040, 396007, 792014, 1584028, 1980035, 3168056, 3960070, 7920140, 15840280]

約数ペア:

[(1, 15840280), (2, 7920140), (4, 3960070), (5, 3168056), (8, 1980035), (10, 1584028), (20, 792014), (40, 396007), (107, 148040), (214, 74020), (428, 37010), (535, 29608), (856, 18505), (1070, 14804), (2140, 7402), (3701, 4280)]