8091740

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{97}}^2$

素因数の和:246

約数の個数: 36

約数和(自身を含む): 17568936

約数和(自身を除く): 9477196

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 97, 172, 194, 215, 388, 430, 485, 860, 970, 1940, 4171, 8342, 9409, 16684, 18818, 20855, 37636, 41710, 47045, 83420, 94090, 188180, 404587, 809174, 1618348, 2022935, 4045870, 8091740]

約数ペア:

[(1, 8091740), (2, 4045870), (4, 2022935), (5, 1618348), (10, 809174), (20, 404587), (43, 188180), (86, 94090), (97, 83420), (172, 47045), (194, 41710), (215, 37636), (388, 20855), (430, 18818), (485, 16684), (860, 9409), (970, 8342), (1940, 4171)]