80115580

素因数分解:

$2^2\times 5^1\times {\mathrm{1301}}^1\times {\mathrm{3079}}^1$

素因数の和:4389

約数の個数: 24

約数和(自身を含む): 168426720

約数和(自身を除く): 88311140

約数列:

[1, 2, 4, 5, 10, 20, 1301, 2602, 3079, 5204, 6158, 6505, 12316, 13010, 15395, 26020, 30790, 61580, 4005779, 8011558, 16023116, 20028895, 40057790, 80115580]

約数ペア:

[(1, 80115580), (2, 40057790), (4, 20028895), (5, 16023116), (10, 8011558), (20, 4005779), (1301, 61580), (2602, 30790), (3079, 26020), (5204, 15395), (6158, 13010), (6505, 12316)]