17728640

素因数分解:

$2^7\times 5^1\times {\mathrm{27701}}^1$

素因数の和:27720

約数の個数: 32

約数和(自身を含む): 42384060

約数和(自身を除く): 24655420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 27701, 55402, 110804, 138505, 221608, 277010, 443216, 554020, 886432, 1108040, 1772864, 2216080, 3545728, 4432160, 8864320, 17728640]

約数ペア:

[(1, 17728640), (2, 8864320), (4, 4432160), (5, 3545728), (8, 2216080), (10, 1772864), (16, 1108040), (20, 886432), (32, 554020), (40, 443216), (64, 277010), (80, 221608), (128, 138505), (160, 110804), (320, 55402), (640, 27701)]