86872660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{620519}}^1$

素因数の和:620535

約数の個数: 24

約数和(自身を含む): 208494720

約数和(自身を除く): 121622060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 620519, 1241038, 2482076, 3102595, 4343633, 6205190, 8687266, 12410380, 17374532, 21718165, 43436330, 86872660]

約数ペア:

[(1, 86872660), (2, 43436330), (4, 21718165), (5, 17374532), (7, 12410380), (10, 8687266), (14, 6205190), (20, 4343633), (28, 3102595), (35, 2482076), (70, 1241038), (140, 620519)]