208131800

素因数分解:

$2^3\times 5^2\times {\mathrm{1040659}}^1$

素因数の和:1040675

約数の個数: 24

約数和(自身を含む): 483906900

約数和(自身を除く): 275775100

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 1040659, 2081318, 4162636, 5203295, 8325272, 10406590, 20813180, 26016475, 41626360, 52032950, 104065900, 208131800]

約数ペア:

[(1, 208131800), (2, 104065900), (4, 52032950), (5, 41626360), (8, 26016475), (10, 20813180), (20, 10406590), (25, 8325272), (40, 5203295), (50, 4162636), (100, 2081318), (200, 1040659)]