81274060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{580529}}^1$

素因数の和:580545

約数の個数: 24

約数和(自身を含む): 195058080

約数和(自身を除く): 113784020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 580529, 1161058, 2322116, 2902645, 4063703, 5805290, 8127406, 11610580, 16254812, 20318515, 40637030, 81274060]

約数ペア:

[(1, 81274060), (2, 40637030), (4, 20318515), (5, 16254812), (7, 11610580), (10, 8127406), (14, 5805290), (20, 4063703), (28, 2902645), (35, 2322116), (70, 1161058), (140, 580529)]