90812590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43451}}^1$

素因数の和:43488

約数の個数: 32

約数和(自身を含む): 187712640

約数和(自身を除く): 96900050

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 43451, 86902, 217255, 434510, 477961, 825569, 955922, 1651138, 2389805, 4127845, 4779610, 8255690, 9081259, 18162518, 45406295, 90812590]

約数ペア:

[(1, 90812590), (2, 45406295), (5, 18162518), (10, 9081259), (11, 8255690), (19, 4779610), (22, 4127845), (38, 2389805), (55, 1651138), (95, 955922), (110, 825569), (190, 477961), (209, 434510), (418, 217255), (1045, 86902), (2090, 43451)]