72577480

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{6899}}^1$

素因数の和:7173

約数の個数: 32

約数和(自身を含む): 163944000

約数和(自身を除く): 91366520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 2104, 2630, 5260, 6899, 10520, 13798, 27596, 34495, 55192, 68990, 137980, 275960, 1814437, 3628874, 7257748, 9072185, 14515496, 18144370, 36288740, 72577480]

約数ペア:

[(1, 72577480), (2, 36288740), (4, 18144370), (5, 14515496), (8, 9072185), (10, 7257748), (20, 3628874), (40, 1814437), (263, 275960), (526, 137980), (1052, 68990), (1315, 55192), (2104, 34495), (2630, 27596), (5260, 13798), (6899, 10520)]