203266480

素因数分解:

$2^4\times 5^1\times {\mathrm{2540831}}^1$

素因数の和:2540844

約数の個数: 20

約数和(自身を含む): 472594752

約数和(自身を除く): 269328272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2540831, 5081662, 10163324, 12704155, 20326648, 25408310, 40653296, 50816620, 101633240, 203266480]

約数ペア:

[(1, 203266480), (2, 101633240), (4, 50816620), (5, 40653296), (8, 25408310), (10, 20326648), (16, 12704155), (20, 10163324), (40, 5081662), (80, 2540831)]