90484780

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{85363}}^1$

素因数の和:85425

約数の個数: 24

約数和(自身を含む): 193605552

約数和(自身を除く): 103120772

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 85363, 170726, 341452, 426815, 853630, 1707260, 4524239, 9048478, 18096956, 22621195, 45242390, 90484780]

約数ペア:

[(1, 90484780), (2, 45242390), (4, 22621195), (5, 18096956), (10, 9048478), (20, 4524239), (53, 1707260), (106, 853630), (212, 426815), (265, 341452), (530, 170726), (1060, 85363)]