8199080

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2887}}^1$

素因数の和:2969

約数の個数: 32

約数和(自身を含む): 18714240

約数和(自身を除く): 10515160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 2887, 5774, 11548, 14435, 23096, 28870, 57740, 115480, 204977, 409954, 819908, 1024885, 1639816, 2049770, 4099540, 8199080]

約数ペア:

[(1, 8199080), (2, 4099540), (4, 2049770), (5, 1639816), (8, 1024885), (10, 819908), (20, 409954), (40, 204977), (71, 115480), (142, 57740), (284, 28870), (355, 23096), (568, 14435), (710, 11548), (1420, 5774), (2840, 2887)]