8928980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{10889}}^1$

素因数の和:10939

約数の個数: 24

約数和(自身を含む): 19209960

約数和(自身を除く): 10280980

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 10889, 21778, 43556, 54445, 108890, 217780, 446449, 892898, 1785796, 2232245, 4464490, 8928980]

約数ペア:

[(1, 8928980), (2, 4464490), (4, 2232245), (5, 1785796), (10, 892898), (20, 446449), (41, 217780), (82, 108890), (164, 54445), (205, 43556), (410, 21778), (820, 10889)]