4357480

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2657}}^1$

素因数の和:2709

約数の個数: 32

約数和(自身を含む): 10047240

約数和(自身を除く): 5689760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 2657, 5314, 10628, 13285, 21256, 26570, 53140, 106280, 108937, 217874, 435748, 544685, 871496, 1089370, 2178740, 4357480]

約数ペア:

[(1, 4357480), (2, 2178740), (4, 1089370), (5, 871496), (8, 544685), (10, 435748), (20, 217874), (40, 108937), (41, 106280), (82, 53140), (164, 26570), (205, 21256), (328, 13285), (410, 10628), (820, 5314), (1640, 2657)]