15642160

素因数分解:

$2^4\times 5^1\times {\mathrm{195527}}^1$

素因数の和:195540

約数の個数: 20

約数和(自身を含む): 36368208

約数和(自身を除く): 20726048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 195527, 391054, 782108, 977635, 1564216, 1955270, 3128432, 3910540, 7821080, 15642160]

約数ペア:

[(1, 15642160), (2, 7821080), (4, 3910540), (5, 3128432), (8, 1955270), (10, 1564216), (16, 977635), (20, 782108), (40, 391054), (80, 195527)]