157040360

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{28657}}^1$

素因数の和:28805

約数の個数: 32

約数和(自身を含む): 355932360

約数和(自身を除く): 198892000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 28657, 57314, 114628, 143285, 229256, 286570, 573140, 1146280, 3926009, 7852018, 15704036, 19630045, 31408072, 39260090, 78520180, 157040360]

約数ペア:

[(1, 157040360), (2, 78520180), (4, 39260090), (5, 31408072), (8, 19630045), (10, 15704036), (20, 7852018), (40, 3926009), (137, 1146280), (274, 573140), (548, 286570), (685, 229256), (1096, 143285), (1370, 114628), (2740, 57314), (5480, 28657)]