28561760

素因数分解:

$2^5\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1303}}^1$

素因数の和:1455

約数の個数: 48

約数和(自身を含む): 68021856

約数和(自身を除く): 39460096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 137, 160, 274, 548, 685, 1096, 1303, 1370, 2192, 2606, 2740, 4384, 5212, 5480, 6515, 10424, 10960, 13030, 20848, 21920, 26060, 41696, 52120, 104240, 178511, 208480, 357022, 714044, 892555, 1428088, 1785110, 2856176, 3570220, 5712352, 7140440, 14280880, 28561760]

約数ペア:

[(1, 28561760), (2, 14280880), (4, 7140440), (5, 5712352), (8, 3570220), (10, 2856176), (16, 1785110), (20, 1428088), (32, 892555), (40, 714044), (80, 357022), (137, 208480), (160, 178511), (274, 104240), (548, 52120), (685, 41696), (1096, 26060), (1303, 21920), (1370, 20848), (2192, 13030), (2606, 10960), (2740, 10424), (4384, 6515), (5212, 5480)]