189900640

素因数分解:

$2^5\times 5^1\times {\mathrm{1186879}}^1$

素因数の和:1186894

約数の個数: 24

約数和(自身を含む): 448640640

約数和(自身を除く): 258740000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1186879, 2373758, 4747516, 5934395, 9495032, 11868790, 18990064, 23737580, 37980128, 47475160, 94950320, 189900640]

約数ペア:

[(1, 189900640), (2, 94950320), (4, 47475160), (5, 37980128), (8, 23737580), (10, 18990064), (16, 11868790), (20, 9495032), (32, 5934395), (40, 4747516), (80, 2373758), (160, 1186879)]