157682780

素因数分解:

$2^2\times 5^1\times {\mathrm{1097}}^1\times {\mathrm{7187}}^1$

素因数の和:8293

約数の個数: 24

約数和(自身を含む): 331481808

約数和(自身を除く): 173799028

約数列:

[1, 2, 4, 5, 10, 20, 1097, 2194, 4388, 5485, 7187, 10970, 14374, 21940, 28748, 35935, 71870, 143740, 7884139, 15768278, 31536556, 39420695, 78841390, 157682780]

約数ペア:

[(1, 157682780), (2, 78841390), (4, 39420695), (5, 31536556), (10, 15768278), (20, 7884139), (1097, 143740), (2194, 71870), (4388, 35935), (5485, 28748), (7187, 21940), (10970, 14374)]