39561320

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{18661}}^1$

素因数の和:18725

約数の個数: 32

約数和(自身を含む): 90697320

約数和(自身を除く): 51136000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 18661, 37322, 74644, 93305, 149288, 186610, 373220, 746440, 989033, 1978066, 3956132, 4945165, 7912264, 9890330, 19780660, 39561320]

約数ペア:

[(1, 39561320), (2, 19780660), (4, 9890330), (5, 7912264), (8, 4945165), (10, 3956132), (20, 1978066), (40, 989033), (53, 746440), (106, 373220), (212, 186610), (265, 149288), (424, 93305), (530, 74644), (1060, 37322), (2120, 18661)]