89618960

素因数分解:

$2^4\times 5^1\times {\mathrm{1120237}}^1$

素因数の和:1120250

約数の個数: 20

約数和(自身を含む): 208364268

約数和(自身を除く): 118745308

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1120237, 2240474, 4480948, 5601185, 8961896, 11202370, 17923792, 22404740, 44809480, 89618960]

約数ペア:

[(1, 89618960), (2, 44809480), (4, 22404740), (5, 17923792), (8, 11202370), (10, 8961896), (16, 5601185), (20, 4480948), (40, 2240474), (80, 1120237)]