12974780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7129}}^1$

素因数の和:7158

約数の個数: 48

約数和(自身を含む): 33539520

約数和(自身を除く): 20564740

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 7129, 14258, 28516, 35645, 49903, 71290, 92677, 99806, 142580, 185354, 199612, 249515, 370708, 463385, 499030, 648739, 926770, 998060, 1297478, 1853540, 2594956, 3243695, 6487390, 12974780]

約数ペア:

[(1, 12974780), (2, 6487390), (4, 3243695), (5, 2594956), (7, 1853540), (10, 1297478), (13, 998060), (14, 926770), (20, 648739), (26, 499030), (28, 463385), (35, 370708), (52, 249515), (65, 199612), (70, 185354), (91, 142580), (130, 99806), (140, 92677), (182, 71290), (260, 49903), (364, 35645), (455, 28516), (910, 14258), (1820, 7129)]