31718240

素因数分解:

$2^5\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1447}}^1$

素因数の和:1599

約数の個数: 48

約数和(自身を含む): 75533472

約数和(自身を除く): 43815232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 137, 160, 274, 548, 685, 1096, 1370, 1447, 2192, 2740, 2894, 4384, 5480, 5788, 7235, 10960, 11576, 14470, 21920, 23152, 28940, 46304, 57880, 115760, 198239, 231520, 396478, 792956, 991195, 1585912, 1982390, 3171824, 3964780, 6343648, 7929560, 15859120, 31718240]

約数ペア:

[(1, 31718240), (2, 15859120), (4, 7929560), (5, 6343648), (8, 3964780), (10, 3171824), (16, 1982390), (20, 1585912), (32, 991195), (40, 792956), (80, 396478), (137, 231520), (160, 198239), (274, 115760), (548, 57880), (685, 46304), (1096, 28940), (1370, 23152), (1447, 21920), (2192, 14470), (2740, 11576), (2894, 10960), (4384, 7235), (5480, 5788)]