12944620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{49787}}^1$

素因数の和:49809

約数の個数: 24

約数和(自身を含む): 29275344

約数和(自身を除く): 16330724

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 49787, 99574, 199148, 248935, 497870, 647231, 995740, 1294462, 2588924, 3236155, 6472310, 12944620]

約数ペア:

[(1, 12944620), (2, 6472310), (4, 3236155), (5, 2588924), (10, 1294462), (13, 995740), (20, 647231), (26, 497870), (52, 248935), (65, 199148), (130, 99574), (260, 49787)]