80384320

素因数分解:

$2^6\times 5^1\times {\mathrm{251201}}^1$

素因数の和:251218

約数の個数: 28

約数和(自身を含む): 191415924

約数和(自身を除く): 111031604

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 251201, 502402, 1004804, 1256005, 2009608, 2512010, 4019216, 5024020, 8038432, 10048040, 16076864, 20096080, 40192160, 80384320]

約数ペア:

[(1, 80384320), (2, 40192160), (4, 20096080), (5, 16076864), (8, 10048040), (10, 8038432), (16, 5024020), (20, 4019216), (32, 2512010), (40, 2009608), (64, 1256005), (80, 1004804), (160, 502402), (320, 251201)]