7963040

素因数分解:

$2^5\times 5^1\times {\mathrm{157}}^1\times {\mathrm{317}}^1$

素因数の和:489

約数の個数: 48

約数和(自身を含む): 18992232

約数和(自身を除く): 11029192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 157, 160, 314, 317, 628, 634, 785, 1256, 1268, 1570, 1585, 2512, 2536, 3140, 3170, 5024, 5072, 6280, 6340, 10144, 12560, 12680, 25120, 25360, 49769, 50720, 99538, 199076, 248845, 398152, 497690, 796304, 995380, 1592608, 1990760, 3981520, 7963040]

約数ペア:

[(1, 7963040), (2, 3981520), (4, 1990760), (5, 1592608), (8, 995380), (10, 796304), (16, 497690), (20, 398152), (32, 248845), (40, 199076), (80, 99538), (157, 50720), (160, 49769), (314, 25360), (317, 25120), (628, 12680), (634, 12560), (785, 10144), (1256, 6340), (1268, 6280), (1570, 5072), (1585, 5024), (2512, 3170), (2536, 3140)]