84043040

素因数分解:

$2^5\times 5^1\times {\mathrm{317}}^1\times {\mathrm{1657}}^1$

素因数の和:1989

約数の個数: 48

約数和(自身を含む): 199298232

約数和(自身を除く): 115255192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 317, 634, 1268, 1585, 1657, 2536, 3170, 3314, 5072, 6340, 6628, 8285, 10144, 12680, 13256, 16570, 25360, 26512, 33140, 50720, 53024, 66280, 132560, 265120, 525269, 1050538, 2101076, 2626345, 4202152, 5252690, 8404304, 10505380, 16808608, 21010760, 42021520, 84043040]

約数ペア:

[(1, 84043040), (2, 42021520), (4, 21010760), (5, 16808608), (8, 10505380), (10, 8404304), (16, 5252690), (20, 4202152), (32, 2626345), (40, 2101076), (80, 1050538), (160, 525269), (317, 265120), (634, 132560), (1268, 66280), (1585, 53024), (1657, 50720), (2536, 33140), (3170, 26512), (3314, 25360), (5072, 16570), (6340, 13256), (6628, 12680), (8285, 10144)]