2501680

素因数分解:

$2^4\times 5^1\times {\mathrm{31271}}^1$

素因数の和:31284

約数の個数: 20

約数和(自身を含む): 5816592

約数和(自身を除く): 3314912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 31271, 62542, 125084, 156355, 250168, 312710, 500336, 625420, 1250840, 2501680]

約数ペア:

[(1, 2501680), (2, 1250840), (4, 625420), (5, 500336), (8, 312710), (10, 250168), (16, 156355), (20, 125084), (40, 62542), (80, 31271)]