77409020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{297727}}^1$

素因数の和:297749

約数の個数: 24

約数和(自身を含む): 175064064

約数和(自身を除く): 97655044

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 297727, 595454, 1190908, 1488635, 2977270, 3870451, 5954540, 7740902, 15481804, 19352255, 38704510, 77409020]

約数ペア:

[(1, 77409020), (2, 38704510), (4, 19352255), (5, 15481804), (10, 7740902), (13, 5954540), (20, 3870451), (26, 2977270), (52, 1488635), (65, 1190908), (130, 595454), (260, 297727)]