90102520

素因数分解:

$2^3\times 5^1\times {\mathrm{563}}^1\times {\mathrm{4001}}^1$

素因数の和:4575

約数の個数: 32

約数和(自身を含む): 203141520

約数和(自身を除く): 113039000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 563, 1126, 2252, 2815, 4001, 4504, 5630, 8002, 11260, 16004, 20005, 22520, 32008, 40010, 80020, 160040, 2252563, 4505126, 9010252, 11262815, 18020504, 22525630, 45051260, 90102520]

約数ペア:

[(1, 90102520), (2, 45051260), (4, 22525630), (5, 18020504), (8, 11262815), (10, 9010252), (20, 4505126), (40, 2252563), (563, 160040), (1126, 80020), (2252, 40010), (2815, 32008), (4001, 22520), (4504, 20005), (5630, 16004), (8002, 11260)]