13990720

素因数分解:

$2^6\times 5^1\times {\mathrm{43721}}^1$

素因数の和:43738

約数の個数: 28

約数和(自身を含む): 33316164

約数和(自身を除く): 19325444

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 43721, 87442, 174884, 218605, 349768, 437210, 699536, 874420, 1399072, 1748840, 2798144, 3497680, 6995360, 13990720]

約数ペア:

[(1, 13990720), (2, 6995360), (4, 3497680), (5, 2798144), (8, 1748840), (10, 1399072), (16, 874420), (20, 699536), (32, 437210), (40, 349768), (64, 218605), (80, 174884), (160, 87442), (320, 43721)]