40964840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{6361}}^1$

素因数の和:6402

約数の個数: 64

約数和(自身を含む): 109935360

約数和(自身を除く): 68970520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 6361, 6440, 12722, 25444, 31805, 44527, 50888, 63610, 89054, 127220, 146303, 178108, 222635, 254440, 292606, 356216, 445270, 585212, 731515, 890540, 1024121, 1170424, 1463030, 1781080, 2048242, 2926060, 4096484, 5120605, 5852120, 8192968, 10241210, 20482420, 40964840]

約数ペア:

[(1, 40964840), (2, 20482420), (4, 10241210), (5, 8192968), (7, 5852120), (8, 5120605), (10, 4096484), (14, 2926060), (20, 2048242), (23, 1781080), (28, 1463030), (35, 1170424), (40, 1024121), (46, 890540), (56, 731515), (70, 585212), (92, 445270), (115, 356216), (140, 292606), (161, 254440), (184, 222635), (230, 178108), (280, 146303), (322, 127220), (460, 89054), (644, 63610), (805, 50888), (920, 44527), (1288, 31805), (1610, 25444), (3220, 12722), (6361, 6440)]