90756040

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{8627}}^1$

素因数の和:8901

約数の個数: 32

約数和(自身を含む): 205001280

約数和(自身を除く): 114245240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 2104, 2630, 5260, 8627, 10520, 17254, 34508, 43135, 69016, 86270, 172540, 345080, 2268901, 4537802, 9075604, 11344505, 18151208, 22689010, 45378020, 90756040]

約数ペア:

[(1, 90756040), (2, 45378020), (4, 22689010), (5, 18151208), (8, 11344505), (10, 9075604), (20, 4537802), (40, 2268901), (263, 345080), (526, 172540), (1052, 86270), (1315, 69016), (2104, 43135), (2630, 34508), (5260, 17254), (8627, 10520)]