70540780

素因数分解:

$2^2\times 5^1\times {\mathrm{811}}^1\times {\mathrm{4349}}^1$

素因数の和:5169

約数の個数: 24

約数和(自身を含む): 148352400

約数和(自身を除く): 77811620

約数列:

[1, 2, 4, 5, 10, 20, 811, 1622, 3244, 4055, 4349, 8110, 8698, 16220, 17396, 21745, 43490, 86980, 3527039, 7054078, 14108156, 17635195, 35270390, 70540780]

約数ペア:

[(1, 70540780), (2, 35270390), (4, 17635195), (5, 14108156), (10, 7054078), (20, 3527039), (811, 86980), (1622, 43490), (3244, 21745), (4055, 17396), (4349, 16220), (8110, 8698)]