39310640

素因数分解:

$2^4\times 5^1\times {\mathrm{487}}^1\times {\mathrm{1009}}^1$

素因数の和:1509

約数の個数: 40

約数和(自身を含む): 91675680

約数和(自身を除く): 52365040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 487, 974, 1009, 1948, 2018, 2435, 3896, 4036, 4870, 5045, 7792, 8072, 9740, 10090, 16144, 19480, 20180, 38960, 40360, 80720, 491383, 982766, 1965532, 2456915, 3931064, 4913830, 7862128, 9827660, 19655320, 39310640]

約数ペア:

[(1, 39310640), (2, 19655320), (4, 9827660), (5, 7862128), (8, 4913830), (10, 3931064), (16, 2456915), (20, 1965532), (40, 982766), (80, 491383), (487, 80720), (974, 40360), (1009, 38960), (1948, 20180), (2018, 19480), (2435, 16144), (3896, 10090), (4036, 9740), (4870, 8072), (5045, 7792)]