11340520

素因数分解:

$2^3\times 5^1\times {\mathrm{509}}^1\times {\mathrm{557}}^1$

素因数の和:1077

約数の個数: 32

約数和(自身を含む): 25612200

約数和(自身を除く): 14271680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 509, 557, 1018, 1114, 2036, 2228, 2545, 2785, 4072, 4456, 5090, 5570, 10180, 11140, 20360, 22280, 283513, 567026, 1134052, 1417565, 2268104, 2835130, 5670260, 11340520]

約数ペア:

[(1, 11340520), (2, 5670260), (4, 2835130), (5, 2268104), (8, 1417565), (10, 1134052), (20, 567026), (40, 283513), (509, 22280), (557, 20360), (1018, 11140), (1114, 10180), (2036, 5570), (2228, 5090), (2545, 4456), (2785, 4072)]