15605680

素因数分解:

$2^4\times 5^1\times {\mathrm{195071}}^1$

素因数の和:195084

約数の個数: 20

約数和(自身を含む): 36283392

約数和(自身を除く): 20677712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 195071, 390142, 780284, 975355, 1560568, 1950710, 3121136, 3901420, 7802840, 15605680]

約数ペア:

[(1, 15605680), (2, 7802840), (4, 3901420), (5, 3121136), (8, 1950710), (10, 1560568), (16, 975355), (20, 780284), (40, 390142), (80, 195071)]