15999740

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{17021}}^1$

素因数の和:17077

約数の個数: 24

約数和(自身を含む): 34316352

約数和(自身を除く): 18316612

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 17021, 34042, 68084, 85105, 170210, 340420, 799987, 1599974, 3199948, 3999935, 7999870, 15999740]

約数ペア:

[(1, 15999740), (2, 7999870), (4, 3999935), (5, 3199948), (10, 1599974), (20, 799987), (47, 340420), (94, 170210), (188, 85105), (235, 68084), (470, 34042), (940, 17021)]