127807880

素因数分解:

$2^3\times 5^1\times {\mathrm{1531}}^1\times {\mathrm{2087}}^1$

素因数の和:3629

約数の個数: 32

約数和(自身を含む): 287893440

約数和(自身を除く): 160085560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1531, 2087, 3062, 4174, 6124, 7655, 8348, 10435, 12248, 15310, 16696, 20870, 30620, 41740, 61240, 83480, 3195197, 6390394, 12780788, 15975985, 25561576, 31951970, 63903940, 127807880]

約数ペア:

[(1, 127807880), (2, 63903940), (4, 31951970), (5, 25561576), (8, 15975985), (10, 12780788), (20, 6390394), (40, 3195197), (1531, 83480), (2087, 61240), (3062, 41740), (4174, 30620), (6124, 20870), (7655, 16696), (8348, 15310), (10435, 12248)]