89018960

素因数分解:

$2^4\times 5^1\times {\mathrm{1112737}}^1$

素因数の和:1112750

約数の個数: 20

約数和(自身を含む): 206969268

約数和(自身を除く): 117950308

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1112737, 2225474, 4450948, 5563685, 8901896, 11127370, 17803792, 22254740, 44509480, 89018960]

約数ペア:

[(1, 89018960), (2, 44509480), (4, 22254740), (5, 17803792), (8, 11127370), (10, 8901896), (16, 5563685), (20, 4450948), (40, 2225474), (80, 1112737)]