851086520

素因数分解:

$2^3\times 5^1\times {\mathrm{21277163}}^1$

素因数の和:21277174

約数の個数: 16

約数和(自身を含む): 1914944760

約数和(自身を除く): 1063858240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 21277163, 42554326, 85108652, 106385815, 170217304, 212771630, 425543260, 851086520]

約数ペア:

[(1, 851086520), (2, 425543260), (4, 212771630), (5, 170217304), (8, 106385815), (10, 85108652), (20, 42554326), (40, 21277163)]