11979280

素因数分解:

$2^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1093}}^1$

素因数の和:1243

約数の個数: 40

約数和(自身を含む): 28080792

約数和(自身を除く): 16101512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 137, 274, 548, 685, 1093, 1096, 1370, 2186, 2192, 2740, 4372, 5465, 5480, 8744, 10930, 10960, 17488, 21860, 43720, 87440, 149741, 299482, 598964, 748705, 1197928, 1497410, 2395856, 2994820, 5989640, 11979280]

約数ペア:

[(1, 11979280), (2, 5989640), (4, 2994820), (5, 2395856), (8, 1497410), (10, 1197928), (16, 748705), (20, 598964), (40, 299482), (80, 149741), (137, 87440), (274, 43720), (548, 21860), (685, 17488), (1093, 10960), (1096, 10930), (1370, 8744), (2186, 5480), (2192, 5465), (2740, 4372)]