6889640

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{4201}}^1$

素因数の和:4253

約数の個数: 32

約数和(自身を含む): 15883560

約数和(自身を除く): 8993920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 4201, 8402, 16804, 21005, 33608, 42010, 84020, 168040, 172241, 344482, 688964, 861205, 1377928, 1722410, 3444820, 6889640]

約数ペア:

[(1, 6889640), (2, 3444820), (4, 1722410), (5, 1377928), (8, 861205), (10, 688964), (20, 344482), (40, 172241), (41, 168040), (82, 84020), (164, 42010), (205, 33608), (328, 21005), (410, 16804), (820, 8402), (1640, 4201)]