90488240

素因数分解:

$2^4\times 5^1\times {\mathrm{1131103}}^1$

素因数の和:1131116

約数の個数: 20

約数和(自身を含む): 210385344

約数和(自身を除く): 119897104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1131103, 2262206, 4524412, 5655515, 9048824, 11311030, 18097648, 22622060, 45244120, 90488240]

約数ペア:

[(1, 90488240), (2, 45244120), (4, 22622060), (5, 18097648), (8, 11311030), (10, 9048824), (16, 5655515), (20, 4524412), (40, 2262206), (80, 1131103)]