15872060

素因数分解:

$2^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{1999}}^1$

素因数の和:2405

約数の個数: 24

約数和(自身を含む): 33432000

約数和(自身を除く): 17559940

約数列:

[1, 2, 4, 5, 10, 20, 397, 794, 1588, 1985, 1999, 3970, 3998, 7940, 7996, 9995, 19990, 39980, 793603, 1587206, 3174412, 3968015, 7936030, 15872060]

約数ペア:

[(1, 15872060), (2, 7936030), (4, 3968015), (5, 3174412), (10, 1587206), (20, 793603), (397, 39980), (794, 19990), (1588, 9995), (1985, 7996), (1999, 7940), (3970, 3998)]