40143340

素因数分解:

$2^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{4657}}^1$

素因数の和:5097

約数の個数: 24

約数和(自身を含む): 84514752

約数和(自身を除く): 44371412

約数列:

[1, 2, 4, 5, 10, 20, 431, 862, 1724, 2155, 4310, 4657, 8620, 9314, 18628, 23285, 46570, 93140, 2007167, 4014334, 8028668, 10035835, 20071670, 40143340]

約数ペア:

[(1, 40143340), (2, 20071670), (4, 10035835), (5, 8028668), (10, 4014334), (20, 2007167), (431, 93140), (862, 46570), (1724, 23285), (2155, 18628), (4310, 9314), (4657, 8620)]