38947880

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{8933}}^1$

素因数の和:9053

約数の個数: 32

約数和(自身を含む): 88446600

約数和(自身を除く): 49498720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 8933, 17866, 35732, 44665, 71464, 89330, 178660, 357320, 973697, 1947394, 3894788, 4868485, 7789576, 9736970, 19473940, 38947880]

約数ペア:

[(1, 38947880), (2, 19473940), (4, 9736970), (5, 7789576), (8, 4868485), (10, 3894788), (20, 1947394), (40, 973697), (109, 357320), (218, 178660), (436, 89330), (545, 71464), (872, 44665), (1090, 35732), (2180, 17866), (4360, 8933)]