7215020

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{5081}}^1$

素因数の和:5161

約数の個数: 24

約数和(自身を含む): 15367968

約数和(自身を除く): 8152948

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 5081, 10162, 20324, 25405, 50810, 101620, 360751, 721502, 1443004, 1803755, 3607510, 7215020]

約数ペア:

[(1, 7215020), (2, 3607510), (4, 1803755), (5, 1443004), (10, 721502), (20, 360751), (71, 101620), (142, 50810), (284, 25405), (355, 20324), (710, 10162), (1420, 5081)]