40219808

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{797}}^1$

素因数の和:909

約数の個数: 48

約数和(自身を含む): 84460320

約数和(自身を除く): 44240512

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 83, 152, 166, 304, 332, 608, 664, 797, 1328, 1577, 1594, 2656, 3154, 3188, 6308, 6376, 12616, 12752, 15143, 25232, 25504, 30286, 50464, 60572, 66151, 121144, 132302, 242288, 264604, 484576, 529208, 1058416, 1256869, 2116832, 2513738, 5027476, 10054952, 20109904, 40219808]

約数ペア:

[(1, 40219808), (2, 20109904), (4, 10054952), (8, 5027476), (16, 2513738), (19, 2116832), (32, 1256869), (38, 1058416), (76, 529208), (83, 484576), (152, 264604), (166, 242288), (304, 132302), (332, 121144), (608, 66151), (664, 60572), (797, 50464), (1328, 30286), (1577, 25504), (1594, 25232), (2656, 15143), (3154, 12752), (3188, 12616), (6308, 6376)]