807280

素因数分解:

$2^4\times 5^1\times {\mathrm{10091}}^1$

素因数の和:10104

約数の個数: 20

約数和(自身を含む): 1877112

約数和(自身を除く): 1069832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 10091, 20182, 40364, 50455, 80728, 100910, 161456, 201820, 403640, 807280]

約数ペア:

[(1, 807280), (2, 403640), (4, 201820), (5, 161456), (8, 100910), (10, 80728), (16, 50455), (20, 40364), (40, 20182), (80, 10091)]