8107480

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1291}}^1$

素因数の和:1459

約数の個数: 32

約数和(自身を含む): 18372240

約数和(自身を除く): 10264760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1291, 1570, 2582, 3140, 5164, 6280, 6455, 10328, 12910, 25820, 51640, 202687, 405374, 810748, 1013435, 1621496, 2026870, 4053740, 8107480]

約数ペア:

[(1, 8107480), (2, 4053740), (4, 2026870), (5, 1621496), (8, 1013435), (10, 810748), (20, 405374), (40, 202687), (157, 51640), (314, 25820), (628, 12910), (785, 10328), (1256, 6455), (1291, 6280), (1570, 5164), (2582, 3140)]