8206760

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1031}}^1$

素因数の和:1241

約数の個数: 32

約数和(自身を含む): 18576000

約数和(自身を除く): 10369240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1031, 1592, 1990, 2062, 3980, 4124, 5155, 7960, 8248, 10310, 20620, 41240, 205169, 410338, 820676, 1025845, 1641352, 2051690, 4103380, 8206760]

約数ペア:

[(1, 8206760), (2, 4103380), (4, 2051690), (5, 1641352), (8, 1025845), (10, 820676), (20, 410338), (40, 205169), (199, 41240), (398, 20620), (796, 10310), (995, 8248), (1031, 7960), (1592, 5155), (1990, 4124), (2062, 3980)]