64008620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{246187}}^1$

素因数の和:246209

約数の個数: 24

約数和(自身を含む): 144758544

約数和(自身を除く): 80749924

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 246187, 492374, 984748, 1230935, 2461870, 3200431, 4923740, 6400862, 12801724, 16002155, 32004310, 64008620]

約数ペア:

[(1, 64008620), (2, 32004310), (4, 16002155), (5, 12801724), (10, 6400862), (13, 4923740), (20, 3200431), (26, 2461870), (52, 1230935), (65, 984748), (130, 492374), (260, 246187)]