7785520

素因数分解:

$2^4\times 5^1\times {\mathrm{307}}^1\times {\mathrm{317}}^1$

素因数の和:637

約数の個数: 40

約数和(自身を含む): 18217584

約数和(自身を除く): 10432064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 307, 317, 614, 634, 1228, 1268, 1535, 1585, 2456, 2536, 3070, 3170, 4912, 5072, 6140, 6340, 12280, 12680, 24560, 25360, 97319, 194638, 389276, 486595, 778552, 973190, 1557104, 1946380, 3892760, 7785520]

約数ペア:

[(1, 7785520), (2, 3892760), (4, 1946380), (5, 1557104), (8, 973190), (10, 778552), (16, 486595), (20, 389276), (40, 194638), (80, 97319), (307, 25360), (317, 24560), (614, 12680), (634, 12280), (1228, 6340), (1268, 6140), (1535, 5072), (1585, 4912), (2456, 3170), (2536, 3070)]