48720620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{187387}}^1$

素因数の和:187409

約数の個数: 24

約数和(自身を含む): 110184144

約数和(自身を除く): 61463524

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 187387, 374774, 749548, 936935, 1873870, 2436031, 3747740, 4872062, 9744124, 12180155, 24360310, 48720620]

約数ペア:

[(1, 48720620), (2, 24360310), (4, 12180155), (5, 9744124), (10, 4872062), (13, 3747740), (20, 2436031), (26, 1873870), (52, 936935), (65, 749548), (130, 374774), (260, 187387)]