90216850

素因数分解:

$2^1\times 5^2\times {\mathrm{83}}^1\times {\mathrm{21739}}^1$

素因数の和:21834

約数の個数: 24

約数和(自身を含む): 169832880

約数和(自身を除く): 79616030

約数列:

[1, 2, 5, 10, 25, 50, 83, 166, 415, 830, 2075, 4150, 21739, 43478, 108695, 217390, 543475, 1086950, 1804337, 3608674, 9021685, 18043370, 45108425, 90216850]

約数ペア:

[(1, 90216850), (2, 45108425), (5, 18043370), (10, 9021685), (25, 3608674), (50, 1804337), (83, 1086950), (166, 543475), (415, 217390), (830, 108695), (2075, 43478), (4150, 21739)]