90053900

素因数分解:

$2^2\times 5^2\times {\mathrm{900539}}^1$

素因数の和:900553

約数の個数: 18

約数和(自身を含む): 195417180

約数和(自身を除く): 105363280

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 900539, 1801078, 3602156, 4502695, 9005390, 18010780, 22513475, 45026950, 90053900]

約数ペア:

[(1, 90053900), (2, 45026950), (4, 22513475), (5, 18010780), (10, 9005390), (20, 4502695), (25, 3602156), (50, 1801078), (100, 900539)]