31871680

素因数分解:

$2^6\times 5^1\times {\mathrm{137}}^1\times {\mathrm{727}}^1$

素因数の和:881

約数の個数: 56

約数和(自身を含む): 76553568

約数和(自身を除く): 44681888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 137, 160, 274, 320, 548, 685, 727, 1096, 1370, 1454, 2192, 2740, 2908, 3635, 4384, 5480, 5816, 7270, 8768, 10960, 11632, 14540, 21920, 23264, 29080, 43840, 46528, 58160, 99599, 116320, 199198, 232640, 398396, 497995, 796792, 995990, 1593584, 1991980, 3187168, 3983960, 6374336, 7967920, 15935840, 31871680]

約数ペア:

[(1, 31871680), (2, 15935840), (4, 7967920), (5, 6374336), (8, 3983960), (10, 3187168), (16, 1991980), (20, 1593584), (32, 995990), (40, 796792), (64, 497995), (80, 398396), (137, 232640), (160, 199198), (274, 116320), (320, 99599), (548, 58160), (685, 46528), (727, 43840), (1096, 29080), (1370, 23264), (1454, 21920), (2192, 14540), (2740, 11632), (2908, 10960), (3635, 8768), (4384, 7270), (5480, 5816)]