129250900

素因数分解:

$2^2\times 5^2\times {\mathrm{1292509}}^1$

素因数の和:1292523

約数の個数: 18

約数和(自身を含む): 280474670

約数和(自身を除く): 151223770

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 1292509, 2585018, 5170036, 6462545, 12925090, 25850180, 32312725, 64625450, 129250900]

約数ペア:

[(1, 129250900), (2, 64625450), (4, 32312725), (5, 25850180), (10, 12925090), (20, 6462545), (25, 5170036), (50, 2585018), (100, 1292509)]