79712620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{306587}}^1$

素因数の和:306609

約数の個数: 24

約数和(自身を含む): 180273744

約数和(自身を除く): 100561124

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 306587, 613174, 1226348, 1532935, 3065870, 3985631, 6131740, 7971262, 15942524, 19928155, 39856310, 79712620]

約数ペア:

[(1, 79712620), (2, 39856310), (4, 19928155), (5, 15942524), (10, 7971262), (13, 6131740), (20, 3985631), (26, 3065870), (52, 1532935), (65, 1226348), (130, 613174), (260, 306587)]