11719280

素因数分解:

$2^4\times 5^1\times {\mathrm{263}}^1\times {\mathrm{557}}^1$

素因数の和:833

約数の個数: 40

約数和(自身を含む): 27400032

約数和(自身を除く): 15680752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 263, 526, 557, 1052, 1114, 1315, 2104, 2228, 2630, 2785, 4208, 4456, 5260, 5570, 8912, 10520, 11140, 21040, 22280, 44560, 146491, 292982, 585964, 732455, 1171928, 1464910, 2343856, 2929820, 5859640, 11719280]

約数ペア:

[(1, 11719280), (2, 5859640), (4, 2929820), (5, 2343856), (8, 1464910), (10, 1171928), (16, 732455), (20, 585964), (40, 292982), (80, 146491), (263, 44560), (526, 22280), (557, 21040), (1052, 11140), (1114, 10520), (1315, 8912), (2104, 5570), (2228, 5260), (2630, 4456), (2785, 4208)]