15921280

素因数分解:

$2^7\times 5^1\times {\mathrm{24877}}^1$

素因数の和:24896

約数の個数: 32

約数和(自身を含む): 38063340

約数和(自身を除く): 22142060

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 24877, 49754, 99508, 124385, 199016, 248770, 398032, 497540, 796064, 995080, 1592128, 1990160, 3184256, 3980320, 7960640, 15921280]

約数ペア:

[(1, 15921280), (2, 7960640), (4, 3980320), (5, 3184256), (8, 1990160), (10, 1592128), (16, 995080), (20, 796064), (32, 497540), (40, 398032), (64, 248770), (80, 199016), (128, 124385), (160, 99508), (320, 49754), (640, 24877)]