87205660

素因数分解:

$2^2\times 5^1\times {\mathrm{839}}^1\times {\mathrm{5197}}^1$

素因数の和:6045

約数の個数: 24

約数和(自身を含む): 183385440

約数和(自身を除く): 96179780

約数列:

[1, 2, 4, 5, 10, 20, 839, 1678, 3356, 4195, 5197, 8390, 10394, 16780, 20788, 25985, 51970, 103940, 4360283, 8720566, 17441132, 21801415, 43602830, 87205660]

約数ペア:

[(1, 87205660), (2, 43602830), (4, 21801415), (5, 17441132), (10, 8720566), (20, 4360283), (839, 103940), (1678, 51970), (3356, 25985), (4195, 20788), (5197, 16780), (8390, 10394)]