90280048

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{131221}}^1$

素因数の和:131272

約数の個数: 20

約数和(自身を含む): 178986808

約数和(自身を除く): 88706760

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 131221, 262442, 524884, 1049768, 2099536, 5642503, 11285006, 22570012, 45140024, 90280048]

約数ペア:

[(1, 90280048), (2, 45140024), (4, 22570012), (8, 11285006), (16, 5642503), (43, 2099536), (86, 1049768), (172, 524884), (344, 262442), (688, 131221)]