2021808680

素因数分解:

$2^3\times 5^1\times {\mathrm{50545217}}^1$

素因数の和:50545228

約数の個数: 16

約数和(自身を含む): 4549069620

約数和(自身を除く): 2527260940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 50545217, 101090434, 202180868, 252726085, 404361736, 505452170, 1010904340, 2021808680]

約数ペア:

[(1, 2021808680), (2, 1010904340), (4, 505452170), (5, 404361736), (8, 252726085), (10, 202180868), (20, 101090434), (40, 50545217)]