80493260

素因数分解:

$2^2\times 5^1\times {\mathrm{509}}^1\times {\mathrm{7907}}^1$

素因数の和:8425

約数の個数: 24

約数和(自身を含む): 169389360

約数和(自身を除く): 88896100

約数列:

[1, 2, 4, 5, 10, 20, 509, 1018, 2036, 2545, 5090, 7907, 10180, 15814, 31628, 39535, 79070, 158140, 4024663, 8049326, 16098652, 20123315, 40246630, 80493260]

約数ペア:

[(1, 80493260), (2, 40246630), (4, 20123315), (5, 16098652), (10, 8049326), (20, 4024663), (509, 158140), (1018, 79070), (2036, 39535), (2545, 31628), (5090, 15814), (7907, 10180)]