1568120

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{199}}^1$

素因数の和:407

約数の個数: 32

約数和(自身を含む): 3564000

約数和(自身を除く): 1995880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 199, 394, 398, 788, 796, 985, 995, 1576, 1592, 1970, 1990, 3940, 3980, 7880, 7960, 39203, 78406, 156812, 196015, 313624, 392030, 784060, 1568120]

約数ペア:

[(1, 1568120), (2, 784060), (4, 392030), (5, 313624), (8, 196015), (10, 156812), (20, 78406), (40, 39203), (197, 7960), (199, 7880), (394, 3980), (398, 3940), (788, 1990), (796, 1970), (985, 1592), (995, 1576)]