8984380

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{2129}}^1$

素因数の和:2349

約数の個数: 24

約数和(自身を含む): 18965520

約数和(自身を除く): 9981140

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 2129, 4220, 4258, 8516, 10645, 21290, 42580, 449219, 898438, 1796876, 2246095, 4492190, 8984380]

約数ペア:

[(1, 8984380), (2, 4492190), (4, 2246095), (5, 1796876), (10, 898438), (20, 449219), (211, 42580), (422, 21290), (844, 10645), (1055, 8516), (2110, 4258), (2129, 4220)]