90584720

素因数分解:

$2^4\times 5^1\times {\mathrm{1132309}}^1$

素因数の和:1132322

約数の個数: 20

約数和(自身を含む): 210609660

約数和(自身を除く): 120024940

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1132309, 2264618, 4529236, 5661545, 9058472, 11323090, 18116944, 22646180, 45292360, 90584720]

約数ペア:

[(1, 90584720), (2, 45292360), (4, 22646180), (5, 18116944), (8, 11323090), (10, 9058472), (16, 5661545), (20, 4529236), (40, 2264618), (80, 1132309)]