81822580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{584447}}^1$

素因数の和:584463

約数の個数: 24

約数和(自身を含む): 196374528

約数和(自身を除く): 114551948

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 584447, 1168894, 2337788, 2922235, 4091129, 5844470, 8182258, 11688940, 16364516, 20455645, 40911290, 81822580]

約数ペア:

[(1, 81822580), (2, 40911290), (4, 20455645), (5, 16364516), (7, 11688940), (10, 8182258), (14, 5844470), (20, 4091129), (28, 2922235), (35, 2337788), (70, 1168894), (140, 584447)]