16809080

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{8941}}^1$

素因数の和:8999

約数の個数: 32

約数和(自身を含む): 38629440

約数和(自身を除く): 21820360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 8941, 17882, 35764, 44705, 71528, 89410, 178820, 357640, 420227, 840454, 1680908, 2101135, 3361816, 4202270, 8404540, 16809080]

約数ペア:

[(1, 16809080), (2, 8404540), (4, 4202270), (5, 3361816), (8, 2101135), (10, 1680908), (20, 840454), (40, 420227), (47, 357640), (94, 178820), (188, 89410), (235, 71528), (376, 44705), (470, 35764), (940, 17882), (1880, 8941)]