8881280

素因数分解:

$2^7\times 5^1\times {\mathrm{13877}}^1$

素因数の和:13896

約数の個数: 32

約数和(自身を含む): 21233340

約数和(自身を除く): 12352060

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 13877, 27754, 55508, 69385, 111016, 138770, 222032, 277540, 444064, 555080, 888128, 1110160, 1776256, 2220320, 4440640, 8881280]

約数ペア:

[(1, 8881280), (2, 4440640), (4, 2220320), (5, 1776256), (8, 1110160), (10, 888128), (16, 555080), (20, 444064), (32, 277540), (40, 222032), (64, 138770), (80, 111016), (128, 69385), (160, 55508), (320, 27754), (640, 13877)]