7786220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29947}}^1$

素因数の和:29969

約数の個数: 24

約数和(自身を含む): 17609424

約数和(自身を除く): 9823204

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 29947, 59894, 119788, 149735, 299470, 389311, 598940, 778622, 1557244, 1946555, 3893110, 7786220]

約数ペア:

[(1, 7786220), (2, 3893110), (4, 1946555), (5, 1557244), (10, 778622), (13, 598940), (20, 389311), (26, 299470), (52, 149735), (65, 119788), (130, 59894), (260, 29947)]