11956040

素因数分解:

$2^3\times 5^1\times {\mathrm{499}}^1\times {\mathrm{599}}^1$

素因数の和:1109

約数の個数: 32

約数和(自身を含む): 27000000

約数和(自身を除く): 15043960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 499, 599, 998, 1198, 1996, 2396, 2495, 2995, 3992, 4792, 4990, 5990, 9980, 11980, 19960, 23960, 298901, 597802, 1195604, 1494505, 2391208, 2989010, 5978020, 11956040]

約数ペア:

[(1, 11956040), (2, 5978020), (4, 2989010), (5, 2391208), (8, 1494505), (10, 1195604), (20, 597802), (40, 298901), (499, 23960), (599, 19960), (998, 11980), (1198, 9980), (1996, 5990), (2396, 4990), (2495, 4792), (2995, 3992)]