204502240

素因数分解:

$2^5\times 5^1\times {\mathrm{1278139}}^1$

素因数の和:1278154

約数の個数: 24

約数和(自身を含む): 483136920

約数和(自身を除く): 278634680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1278139, 2556278, 5112556, 6390695, 10225112, 12781390, 20450224, 25562780, 40900448, 51125560, 102251120, 204502240]

約数ペア:

[(1, 204502240), (2, 102251120), (4, 51125560), (5, 40900448), (8, 25562780), (10, 20450224), (16, 12781390), (20, 10225112), (32, 6390695), (40, 5112556), (80, 2556278), (160, 1278139)]