86669480

素因数分解:

$2^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{6967}}^1$

素因数の和:7289

約数の個数: 32

約数和(自身を含む): 195661440

約数和(自身を除く): 108991960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 311, 622, 1244, 1555, 2488, 3110, 6220, 6967, 12440, 13934, 27868, 34835, 55736, 69670, 139340, 278680, 2166737, 4333474, 8666948, 10833685, 17333896, 21667370, 43334740, 86669480]

約数ペア:

[(1, 86669480), (2, 43334740), (4, 21667370), (5, 17333896), (8, 10833685), (10, 8666948), (20, 4333474), (40, 2166737), (311, 278680), (622, 139340), (1244, 69670), (1555, 55736), (2488, 34835), (3110, 27868), (6220, 13934), (6967, 12440)]