89115280

素因数分解:

$2^4\times 5^1\times {\mathrm{1113941}}^1$

素因数の和:1113954

約数の個数: 20

約数和(自身を含む): 207193212

約数和(自身を除く): 118077932

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1113941, 2227882, 4455764, 5569705, 8911528, 11139410, 17823056, 22278820, 44557640, 89115280]

約数ペア:

[(1, 89115280), (2, 44557640), (4, 22278820), (5, 17823056), (8, 11139410), (10, 8911528), (16, 5569705), (20, 4455764), (40, 2227882), (80, 1113941)]