12914120

素因数分解:

$2^3\times 5^1\times {\mathrm{499}}^1\times {\mathrm{647}}^1$

素因数の和:1157

約数の個数: 32

約数和(自身を含む): 29160000

約数和(自身を除く): 16245880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 499, 647, 998, 1294, 1996, 2495, 2588, 3235, 3992, 4990, 5176, 6470, 9980, 12940, 19960, 25880, 322853, 645706, 1291412, 1614265, 2582824, 3228530, 6457060, 12914120]

約数ペア:

[(1, 12914120), (2, 6457060), (4, 3228530), (5, 2582824), (8, 1614265), (10, 1291412), (20, 645706), (40, 322853), (499, 25880), (647, 19960), (998, 12940), (1294, 9980), (1996, 6470), (2495, 5176), (2588, 4990), (3235, 3992)]