78402580

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{83407}}^1$

素因数の和:83463

約数の個数: 24

約数和(自身を含む): 168150528

約数和(自身を除く): 89747948

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 83407, 166814, 333628, 417035, 834070, 1668140, 3920129, 7840258, 15680516, 19600645, 39201290, 78402580]

約数ペア:

[(1, 78402580), (2, 39201290), (4, 19600645), (5, 15680516), (10, 7840258), (20, 3920129), (47, 1668140), (94, 834070), (188, 417035), (235, 333628), (470, 166814), (940, 83407)]