11989520

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{2053}}^1$

素因数の和:2139

約数の個数: 40

約数和(自身を含む): 28271256

約数和(自身を除く): 16281736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2053, 2920, 4106, 5840, 8212, 10265, 16424, 20530, 32848, 41060, 82120, 149869, 164240, 299738, 599476, 749345, 1198952, 1498690, 2397904, 2997380, 5994760, 11989520]

約数ペア:

[(1, 11989520), (2, 5994760), (4, 2997380), (5, 2397904), (8, 1498690), (10, 1198952), (16, 749345), (20, 599476), (40, 299738), (73, 164240), (80, 149869), (146, 82120), (292, 41060), (365, 32848), (584, 20530), (730, 16424), (1168, 10265), (1460, 8212), (2053, 5840), (2920, 4106)]