81230870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{26987}}^1$

素因数の和:27044

約数の個数: 32

約数和(自身を含む): 170995968

約数和(自身を除く): 89765098

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 70, 86, 215, 301, 430, 602, 1505, 3010, 26987, 53974, 134935, 188909, 269870, 377818, 944545, 1160441, 1889090, 2320882, 5802205, 8123087, 11604410, 16246174, 40615435, 81230870]

約数ペア:

[(1, 81230870), (2, 40615435), (5, 16246174), (7, 11604410), (10, 8123087), (14, 5802205), (35, 2320882), (43, 1889090), (70, 1160441), (86, 944545), (215, 377818), (301, 269870), (430, 188909), (602, 134935), (1505, 53974), (3010, 26987)]