80145740

素因数分解:

$2^2\times 5^1\times {\mathrm{1193}}^1\times {\mathrm{3359}}^1$

素因数の和:4561

約数の個数: 24

約数和(自身を含む): 168497280

約数和(自身を除く): 88351540

約数列:

[1, 2, 4, 5, 10, 20, 1193, 2386, 3359, 4772, 5965, 6718, 11930, 13436, 16795, 23860, 33590, 67180, 4007287, 8014574, 16029148, 20036435, 40072870, 80145740]

約数ペア:

[(1, 80145740), (2, 40072870), (4, 20036435), (5, 16029148), (10, 8014574), (20, 4007287), (1193, 67180), (2386, 33590), (3359, 23860), (4772, 16795), (5965, 13436), (6718, 11930)]