90142180

素因数分解:

$2^2\times 5^1\times {\mathrm{769}}^1\times {\mathrm{5861}}^1$

素因数の和:6639

約数の個数: 24

約数和(自身を含む): 189577080

約数和(自身を除く): 99434900

約数列:

[1, 2, 4, 5, 10, 20, 769, 1538, 3076, 3845, 5861, 7690, 11722, 15380, 23444, 29305, 58610, 117220, 4507109, 9014218, 18028436, 22535545, 45071090, 90142180]

約数ペア:

[(1, 90142180), (2, 45071090), (4, 22535545), (5, 18028436), (10, 9014218), (20, 4507109), (769, 117220), (1538, 58610), (3076, 29305), (3845, 23444), (5861, 15380), (7690, 11722)]