8917120

素因数分解:

$2^7\times 5^1\times {\mathrm{13933}}^1$

素因数の和:13952

約数の個数: 32

約数和(自身を含む): 21319020

約数和(自身を除く): 12401900

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 13933, 27866, 55732, 69665, 111464, 139330, 222928, 278660, 445856, 557320, 891712, 1114640, 1783424, 2229280, 4458560, 8917120]

約数ペア:

[(1, 8917120), (2, 4458560), (4, 2229280), (5, 1783424), (8, 1114640), (10, 891712), (16, 557320), (20, 445856), (32, 278660), (40, 222928), (64, 139330), (80, 111464), (128, 69665), (160, 55732), (320, 27866), (640, 13933)]