1517381680

素因数分解:

$2^4\times 5^1\times {\mathrm{18967271}}^1$

素因数の和:18967284

約数の個数: 20

約数和(自身を含む): 3527912592

約数和(自身を除く): 2010530912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 18967271, 37934542, 75869084, 94836355, 151738168, 189672710, 303476336, 379345420, 758690840, 1517381680]

約数ペア:

[(1, 1517381680), (2, 758690840), (4, 379345420), (5, 303476336), (8, 189672710), (10, 151738168), (16, 94836355), (20, 75869084), (40, 37934542), (80, 18967271)]