13480220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{373}}^1$

素因数の和:534

約数の個数: 48

約数和(自身を含む): 30787680

約数和(自身を除く): 17307460

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 139, 260, 278, 373, 556, 695, 746, 1390, 1492, 1807, 1865, 2780, 3614, 3730, 4849, 7228, 7460, 9035, 9698, 18070, 19396, 24245, 36140, 48490, 51847, 96980, 103694, 207388, 259235, 518470, 674011, 1036940, 1348022, 2696044, 3370055, 6740110, 13480220]

約数ペア:

[(1, 13480220), (2, 6740110), (4, 3370055), (5, 2696044), (10, 1348022), (13, 1036940), (20, 674011), (26, 518470), (52, 259235), (65, 207388), (130, 103694), (139, 96980), (260, 51847), (278, 48490), (373, 36140), (556, 24245), (695, 19396), (746, 18070), (1390, 9698), (1492, 9035), (1807, 7460), (1865, 7228), (2780, 4849), (3614, 3730)]