57123520

素因数分解:

$2^6\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1303}}^1$

素因数の和:1457

約数の個数: 56

約数和(自身を含む): 137123424

約数和(自身を除く): 79999904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 137, 160, 274, 320, 548, 685, 1096, 1303, 1370, 2192, 2606, 2740, 4384, 5212, 5480, 6515, 8768, 10424, 10960, 13030, 20848, 21920, 26060, 41696, 43840, 52120, 83392, 104240, 178511, 208480, 357022, 416960, 714044, 892555, 1428088, 1785110, 2856176, 3570220, 5712352, 7140440, 11424704, 14280880, 28561760, 57123520]

約数ペア:

[(1, 57123520), (2, 28561760), (4, 14280880), (5, 11424704), (8, 7140440), (10, 5712352), (16, 3570220), (20, 2856176), (32, 1785110), (40, 1428088), (64, 892555), (80, 714044), (137, 416960), (160, 357022), (274, 208480), (320, 178511), (548, 104240), (685, 83392), (1096, 52120), (1303, 43840), (1370, 41696), (2192, 26060), (2606, 21920), (2740, 20848), (4384, 13030), (5212, 10960), (5480, 10424), (6515, 8768)]