80013160

素因数分解:

$2^3\times 5^1\times {\mathrm{2000329}}^1$

素因数の和:2000340

約数の個数: 16

約数和(自身を含む): 180029700

約数和(自身を除く): 100016540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2000329, 4000658, 8001316, 10001645, 16002632, 20003290, 40006580, 80013160]

約数ペア:

[(1, 80013160), (2, 40006580), (4, 20003290), (5, 16002632), (8, 10001645), (10, 8001316), (20, 4000658), (40, 2000329)]