39885280

素因数分解:

$2^5\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2287}}^1$

素因数の和:2411

約数の個数: 48

約数和(自身を含む): 95135040

約数和(自身を除く): 55249760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 109, 160, 218, 436, 545, 872, 1090, 1744, 2180, 2287, 3488, 4360, 4574, 8720, 9148, 11435, 17440, 18296, 22870, 36592, 45740, 73184, 91480, 182960, 249283, 365920, 498566, 997132, 1246415, 1994264, 2492830, 3988528, 4985660, 7977056, 9971320, 19942640, 39885280]

約数ペア:

[(1, 39885280), (2, 19942640), (4, 9971320), (5, 7977056), (8, 4985660), (10, 3988528), (16, 2492830), (20, 1994264), (32, 1246415), (40, 997132), (80, 498566), (109, 365920), (160, 249283), (218, 182960), (436, 91480), (545, 73184), (872, 45740), (1090, 36592), (1744, 22870), (2180, 18296), (2287, 17440), (3488, 11435), (4360, 9148), (4574, 8720)]