658060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2531}}^1$

素因数の和:2553

約数の個数: 24

約数和(自身を含む): 1488816

約数和(自身を除く): 830756

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 2531, 5062, 10124, 12655, 25310, 32903, 50620, 65806, 131612, 164515, 329030, 658060]

約数ペア:

[(1, 658060), (2, 329030), (4, 164515), (5, 131612), (10, 65806), (13, 50620), (20, 32903), (26, 25310), (52, 12655), (65, 10124), (130, 5062), (260, 2531)]