80731460

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{98453}}^1$

素因数の和:98503

約数の個数: 24

約数和(自身を含む): 173672856

約数和(自身を除く): 92941396

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 98453, 196906, 393812, 492265, 984530, 1969060, 4036573, 8073146, 16146292, 20182865, 40365730, 80731460]

約数ペア:

[(1, 80731460), (2, 40365730), (4, 20182865), (5, 16146292), (10, 8073146), (20, 4036573), (41, 1969060), (82, 984530), (164, 492265), (205, 393812), (410, 196906), (820, 98453)]