38544140

素因数分解:

$2^2\times 5^1\times {\mathrm{1249}}^1\times {\mathrm{1543}}^1$

素因数の和:2801

約数の個数: 24

約数和(自身を含む): 81060000

約数和(自身を除く): 42515860

約数列:

[1, 2, 4, 5, 10, 20, 1249, 1543, 2498, 3086, 4996, 6172, 6245, 7715, 12490, 15430, 24980, 30860, 1927207, 3854414, 7708828, 9636035, 19272070, 38544140]

約数ペア:

[(1, 38544140), (2, 19272070), (4, 9636035), (5, 7708828), (10, 3854414), (20, 1927207), (1249, 30860), (1543, 24980), (2498, 15430), (3086, 12490), (4996, 7715), (6172, 6245)]