40577320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{463}}^1$

素因数の和:794

約数の個数: 64

約数和(自身を含む): 104901120

約数和(自身を除く): 64323800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 313, 463, 626, 926, 1252, 1565, 1852, 2191, 2315, 2504, 3130, 3241, 3704, 4382, 4630, 6260, 6482, 8764, 9260, 10955, 12520, 12964, 16205, 17528, 18520, 21910, 25928, 32410, 43820, 64820, 87640, 129640, 144919, 289838, 579676, 724595, 1014433, 1159352, 1449190, 2028866, 2898380, 4057732, 5072165, 5796760, 8115464, 10144330, 20288660, 40577320]

約数ペア:

[(1, 40577320), (2, 20288660), (4, 10144330), (5, 8115464), (7, 5796760), (8, 5072165), (10, 4057732), (14, 2898380), (20, 2028866), (28, 1449190), (35, 1159352), (40, 1014433), (56, 724595), (70, 579676), (140, 289838), (280, 144919), (313, 129640), (463, 87640), (626, 64820), (926, 43820), (1252, 32410), (1565, 25928), (1852, 21910), (2191, 18520), (2315, 17528), (2504, 16205), (3130, 12964), (3241, 12520), (3704, 10955), (4382, 9260), (4630, 8764), (6260, 6482)]