28251040

素因数分解:

$2^5\times 5^1\times {\mathrm{317}}^1\times {\mathrm{557}}^1$

素因数の和:889

約数の個数: 48

約数和(自身を含む): 67073832

約数和(自身を除く): 38822792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 317, 557, 634, 1114, 1268, 1585, 2228, 2536, 2785, 3170, 4456, 5072, 5570, 6340, 8912, 10144, 11140, 12680, 17824, 22280, 25360, 44560, 50720, 89120, 176569, 353138, 706276, 882845, 1412552, 1765690, 2825104, 3531380, 5650208, 7062760, 14125520, 28251040]

約数ペア:

[(1, 28251040), (2, 14125520), (4, 7062760), (5, 5650208), (8, 3531380), (10, 2825104), (16, 1765690), (20, 1412552), (32, 882845), (40, 706276), (80, 353138), (160, 176569), (317, 89120), (557, 50720), (634, 44560), (1114, 25360), (1268, 22280), (1585, 17824), (2228, 12680), (2536, 11140), (2785, 10144), (3170, 8912), (4456, 6340), (5072, 5570)]