39013880

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{4951}}^1$

素因数の和:5159

約数の個数: 32

約数和(自身を含む): 88244640

約数和(自身を除く): 49230760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3940, 4951, 7880, 9902, 19804, 24755, 39608, 49510, 99020, 198040, 975347, 1950694, 3901388, 4876735, 7802776, 9753470, 19506940, 39013880]

約数ペア:

[(1, 39013880), (2, 19506940), (4, 9753470), (5, 7802776), (8, 4876735), (10, 3901388), (20, 1950694), (40, 975347), (197, 198040), (394, 99020), (788, 49510), (985, 39608), (1576, 24755), (1970, 19804), (3940, 9902), (4951, 7880)]