140549440

素因数分解:

$2^6\times 5^1\times {\mathrm{439217}}^1$

素因数の和:439234

約数の個数: 28

約数和(自身を含む): 334684116

約数和(自身を除く): 194134676

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 439217, 878434, 1756868, 2196085, 3513736, 4392170, 7027472, 8784340, 14054944, 17568680, 28109888, 35137360, 70274720, 140549440]

約数ペア:

[(1, 140549440), (2, 70274720), (4, 35137360), (5, 28109888), (8, 17568680), (10, 14054944), (16, 8784340), (20, 7027472), (32, 4392170), (40, 3513736), (64, 2196085), (80, 1756868), (160, 878434), (320, 439217)]