12983840

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4271}}^1$

素因数の和:4305

約数の個数: 48

約数和(自身を含む): 32296320

約数和(自身を除く): 19312480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 4271, 8542, 17084, 21355, 34168, 42710, 68336, 81149, 85420, 136672, 162298, 170840, 324596, 341680, 405745, 649192, 683360, 811490, 1298384, 1622980, 2596768, 3245960, 6491920, 12983840]

約数ペア:

[(1, 12983840), (2, 6491920), (4, 3245960), (5, 2596768), (8, 1622980), (10, 1298384), (16, 811490), (19, 683360), (20, 649192), (32, 405745), (38, 341680), (40, 324596), (76, 170840), (80, 162298), (95, 136672), (152, 85420), (160, 81149), (190, 68336), (304, 42710), (380, 34168), (608, 21355), (760, 17084), (1520, 8542), (3040, 4271)]