12987920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{14759}}^1$

素因数の和:14783

約数の個数: 40

約数和(自身を含む): 32944320

約数和(自身を除く): 19956400

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 14759, 29518, 59036, 73795, 118072, 147590, 162349, 236144, 295180, 324698, 590360, 649396, 811745, 1180720, 1298792, 1623490, 2597584, 3246980, 6493960, 12987920]

約数ペア:

[(1, 12987920), (2, 6493960), (4, 3246980), (5, 2597584), (8, 1623490), (10, 1298792), (11, 1180720), (16, 811745), (20, 649396), (22, 590360), (40, 324698), (44, 295180), (55, 236144), (80, 162349), (88, 147590), (110, 118072), (176, 73795), (220, 59036), (440, 29518), (880, 14759)]