16479280

素因数分解:

$2^4\times 5^1\times {\mathrm{205991}}^1$

素因数の和:206004

約数の個数: 20

約数和(自身を含む): 38314512

約数和(自身を除く): 21835232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 205991, 411982, 823964, 1029955, 1647928, 2059910, 3295856, 4119820, 8239640, 16479280]

約数ペア:

[(1, 16479280), (2, 8239640), (4, 4119820), (5, 3295856), (8, 2059910), (10, 1647928), (16, 1029955), (20, 823964), (40, 411982), (80, 205991)]