83615080

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{9907}}^1$

素因数の和:10129

約数の個数: 32

約数和(自身を含む): 189044640

約数和(自身を除く): 105429560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 4220, 8440, 9907, 19814, 39628, 49535, 79256, 99070, 198140, 396280, 2090377, 4180754, 8361508, 10451885, 16723016, 20903770, 41807540, 83615080]

約数ペア:

[(1, 83615080), (2, 41807540), (4, 20903770), (5, 16723016), (8, 10451885), (10, 8361508), (20, 4180754), (40, 2090377), (211, 396280), (422, 198140), (844, 99070), (1055, 79256), (1688, 49535), (2110, 39628), (4220, 19814), (8440, 9907)]