90207280

素因数分解:

$2^4\times 5^1\times {\mathrm{883}}^1\times {\mathrm{1277}}^1$

素因数の和:2173

約数の個数: 40

約数和(自身を含む): 210133872

約数和(自身を除く): 119926592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 883, 1277, 1766, 2554, 3532, 4415, 5108, 6385, 7064, 8830, 10216, 12770, 14128, 17660, 20432, 25540, 35320, 51080, 70640, 102160, 1127591, 2255182, 4510364, 5637955, 9020728, 11275910, 18041456, 22551820, 45103640, 90207280]

約数ペア:

[(1, 90207280), (2, 45103640), (4, 22551820), (5, 18041456), (8, 11275910), (10, 9020728), (16, 5637955), (20, 4510364), (40, 2255182), (80, 1127591), (883, 102160), (1277, 70640), (1766, 51080), (2554, 35320), (3532, 25540), (4415, 20432), (5108, 17660), (6385, 14128), (7064, 12770), (8830, 10216)]