86109980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{2857}}^1$

素因数の和:3014

約数の個数: 48

約数和(自身を含む): 198779616

約数和(自身を除く): 112669636

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 137, 220, 274, 548, 685, 1370, 1507, 2740, 2857, 3014, 5714, 6028, 7535, 11428, 14285, 15070, 28570, 30140, 31427, 57140, 62854, 125708, 157135, 314270, 391409, 628540, 782818, 1565636, 1957045, 3914090, 4305499, 7828180, 8610998, 17221996, 21527495, 43054990, 86109980]

約数ペア:

[(1, 86109980), (2, 43054990), (4, 21527495), (5, 17221996), (10, 8610998), (11, 7828180), (20, 4305499), (22, 3914090), (44, 1957045), (55, 1565636), (110, 782818), (137, 628540), (220, 391409), (274, 314270), (548, 157135), (685, 125708), (1370, 62854), (1507, 57140), (2740, 31427), (2857, 30140), (3014, 28570), (5714, 15070), (6028, 14285), (7535, 11428)]