7921280

素因数分解:

$2^7\times 5^1\times {\mathrm{12377}}^1$

素因数の和:12396

約数の個数: 32

約数和(自身を含む): 18938340

約数和(自身を除く): 11017060

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 12377, 24754, 49508, 61885, 99016, 123770, 198032, 247540, 396064, 495080, 792128, 990160, 1584256, 1980320, 3960640, 7921280]

約数ペア:

[(1, 7921280), (2, 3960640), (4, 1980320), (5, 1584256), (8, 990160), (10, 792128), (16, 495080), (20, 396064), (32, 247540), (40, 198032), (64, 123770), (80, 99016), (128, 61885), (160, 49508), (320, 24754), (640, 12377)]