12931880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1913}}^1$

素因数の和:1950

約数の個数: 48

約数和(自身を含む): 31523580

約数和(自身を除く): 18591700

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 1913, 3380, 3826, 6760, 7652, 9565, 15304, 19130, 24869, 38260, 49738, 76520, 99476, 124345, 198952, 248690, 323297, 497380, 646594, 994760, 1293188, 1616485, 2586376, 3232970, 6465940, 12931880]

約数ペア:

[(1, 12931880), (2, 6465940), (4, 3232970), (5, 2586376), (8, 1616485), (10, 1293188), (13, 994760), (20, 646594), (26, 497380), (40, 323297), (52, 248690), (65, 198952), (104, 124345), (130, 99476), (169, 76520), (260, 49738), (338, 38260), (520, 24869), (676, 19130), (845, 15304), (1352, 9565), (1690, 7652), (1913, 6760), (3380, 3826)]