129260500

素因数分解:

$2^2\times 5^3\times {\mathrm{258521}}^1$

素因数の和:258540

約数の個数: 24

約数和(自身を含む): 282306024

約数和(自身を除く): 153045524

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 258521, 517042, 1034084, 1292605, 2585210, 5170420, 6463025, 12926050, 25852100, 32315125, 64630250, 129260500]

約数ペア:

[(1, 129260500), (2, 64630250), (4, 32315125), (5, 25852100), (10, 12926050), (20, 6463025), (25, 5170420), (50, 2585210), (100, 1292605), (125, 1034084), (250, 517042), (500, 258521)]