89730280

素因数分解:

$2^3\times 5^1\times {\mathrm{2243257}}^1$

素因数の和:2243268

約数の個数: 16

約数和(自身を含む): 201893220

約数和(自身を除く): 112162940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2243257, 4486514, 8973028, 11216285, 17946056, 22432570, 44865140, 89730280]

約数ペア:

[(1, 89730280), (2, 44865140), (4, 22432570), (5, 17946056), (8, 11216285), (10, 8973028), (20, 4486514), (40, 2243257)]