40821740

素因数分解:

$2^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{4157}}^1$

素因数の和:4657

約数の個数: 24

約数和(自身を含む): 85920912

約数和(自身を除く): 45099172

約数列:

[1, 2, 4, 5, 10, 20, 491, 982, 1964, 2455, 4157, 4910, 8314, 9820, 16628, 20785, 41570, 83140, 2041087, 4082174, 8164348, 10205435, 20410870, 40821740]

約数ペア:

[(1, 40821740), (2, 20410870), (4, 10205435), (5, 8164348), (10, 4082174), (20, 2041087), (491, 83140), (982, 41570), (1964, 20785), (2455, 16628), (4157, 9820), (4910, 8314)]