29120720

素因数分解:

$2^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{2657}}^1$

素因数の和:2807

約数の個数: 40

約数和(自身を含む): 68225544

約数和(自身を除く): 39104824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 137, 274, 548, 685, 1096, 1370, 2192, 2657, 2740, 5314, 5480, 10628, 10960, 13285, 21256, 26570, 42512, 53140, 106280, 212560, 364009, 728018, 1456036, 1820045, 2912072, 3640090, 5824144, 7280180, 14560360, 29120720]

約数ペア:

[(1, 29120720), (2, 14560360), (4, 7280180), (5, 5824144), (8, 3640090), (10, 2912072), (16, 1820045), (20, 1456036), (40, 728018), (80, 364009), (137, 212560), (274, 106280), (548, 53140), (685, 42512), (1096, 26570), (1370, 21256), (2192, 13285), (2657, 10960), (2740, 10628), (5314, 5480)]