2811818223680

素因数分解:

$2^6\times 5^1\times {\mathrm{8786931949}}^1$

素因数の和:8786931966

約数の個数: 28

約数和(自身を含む): 6695642145900

約数和(自身を除く): 3883823922220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 8786931949, 17573863898, 35147727796, 43934659745, 70295455592, 87869319490, 140590911184, 175738638980, 281181822368, 351477277960, 562363644736, 702954555920, 1405909111840, 2811818223680]

約数ペア:

[(1, 2811818223680), (2, 1405909111840), (4, 702954555920), (5, 562363644736), (8, 351477277960), (10, 281181822368), (16, 175738638980), (20, 140590911184), (32, 87869319490), (40, 70295455592), (64, 43934659745), (80, 35147727796), (160, 17573863898), (320, 8786931949)]