80129726

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:201

約数の個数: 48

約数和(自身を含む): 135788400

約数和(自身を除く): 55658674

約数列:

[1, 2, 19, 29, 38, 43, 58, 86, 89, 178, 361, 551, 722, 817, 1102, 1247, 1634, 1691, 2494, 2581, 3382, 3827, 5162, 7654, 10469, 15523, 20938, 23693, 31046, 32129, 47386, 49039, 64258, 72713, 98078, 110983, 145426, 221966, 450167, 900334, 931741, 1381547, 1863482, 2108677, 2763094, 4217354, 40064863, 80129726]

約数ペア:

[(1, 80129726), (2, 40064863), (19, 4217354), (29, 2763094), (38, 2108677), (43, 1863482), (58, 1381547), (86, 931741), (89, 900334), (178, 450167), (361, 221966), (551, 145426), (722, 110983), (817, 98078), (1102, 72713), (1247, 64258), (1634, 49039), (1691, 47386), (2494, 32129), (2581, 31046), (3382, 23693), (3827, 20938), (5162, 15523), (7654, 10469)]