89987080

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{16421}}^1$

素因数の和:16569

約数の個数: 32

約数和(自身を含む): 203961240

約数和(自身を除く): 113974160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 16421, 32842, 65684, 82105, 131368, 164210, 328420, 656840, 2249677, 4499354, 8998708, 11248385, 17997416, 22496770, 44993540, 89987080]

約数ペア:

[(1, 89987080), (2, 44993540), (4, 22496770), (5, 17997416), (8, 11248385), (10, 8998708), (20, 4499354), (40, 2249677), (137, 656840), (274, 328420), (548, 164210), (685, 131368), (1096, 82105), (1370, 65684), (2740, 32842), (5480, 16421)]