15943120

素因数分解:

$2^4\times 5^1\times {\mathrm{199289}}^1$

素因数の和:199302

約数の個数: 20

約数和(自身を含む): 37067940

約数和(自身を除く): 21124820

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 199289, 398578, 797156, 996445, 1594312, 1992890, 3188624, 3985780, 7971560, 15943120]

約数ペア:

[(1, 15943120), (2, 7971560), (4, 3985780), (5, 3188624), (8, 1992890), (10, 1594312), (16, 996445), (20, 797156), (40, 398578), (80, 199289)]