9781828640

素因数分解:

$2^5\times 5^1\times {\mathrm{61136429}}^1$

素因数の和:61136444

約数の個数: 24

約数和(自身を含む): 23109570540

約数和(自身を除く): 13327741900

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 61136429, 122272858, 244545716, 305682145, 489091432, 611364290, 978182864, 1222728580, 1956365728, 2445457160, 4890914320, 9781828640]

約数ペア:

[(1, 9781828640), (2, 4890914320), (4, 2445457160), (5, 1956365728), (8, 1222728580), (10, 978182864), (16, 611364290), (20, 489091432), (32, 305682145), (40, 244545716), (80, 122272858), (160, 61136429)]