31668920

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{5779}}^1$

素因数の和:5927

約数の個数: 32

約数和(自身を含む): 71787600

約数和(自身を除く): 40118680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 5779, 11558, 23116, 28895, 46232, 57790, 115580, 231160, 791723, 1583446, 3166892, 3958615, 6333784, 7917230, 15834460, 31668920]

約数ペア:

[(1, 31668920), (2, 15834460), (4, 7917230), (5, 6333784), (8, 3958615), (10, 3166892), (20, 1583446), (40, 791723), (137, 231160), (274, 115580), (548, 57790), (685, 46232), (1096, 28895), (1370, 23116), (2740, 11558), (5480, 5779)]