80958772

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1$

素因数の和:376

約数の個数: 48

約数和(自身を含む): 154224000

約数和(自身を除く): 73265228

約数列:

[1, 2, 4, 19, 38, 53, 76, 101, 106, 199, 202, 212, 398, 404, 796, 1007, 1919, 2014, 3781, 3838, 4028, 5353, 7562, 7676, 10547, 10706, 15124, 20099, 21094, 21412, 40198, 42188, 80396, 101707, 200393, 203414, 381881, 400786, 406828, 763762, 801572, 1065247, 1527524, 2130494, 4260988, 20239693, 40479386, 80958772]

約数ペア:

[(1, 80958772), (2, 40479386), (4, 20239693), (19, 4260988), (38, 2130494), (53, 1527524), (76, 1065247), (101, 801572), (106, 763762), (199, 406828), (202, 400786), (212, 381881), (398, 203414), (404, 200393), (796, 101707), (1007, 80396), (1919, 42188), (2014, 40198), (3781, 21412), (3838, 21094), (4028, 20099), (5353, 15124), (7562, 10706), (7676, 10547)]