38995760

素因数分解:

$2^4\times 5^1\times {\mathrm{487447}}^1$

素因数の和:487460

約数の個数: 20

約数和(自身を含む): 90665328

約数和(自身を除く): 51669568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 487447, 974894, 1949788, 2437235, 3899576, 4874470, 7799152, 9748940, 19497880, 38995760]

約数ペア:

[(1, 38995760), (2, 19497880), (4, 9748940), (5, 7799152), (8, 4874470), (10, 3899576), (16, 2437235), (20, 1949788), (40, 974894), (80, 487447)]