129608900

素因数分解:

$2^2\times 5^2\times {\mathrm{1296089}}^1$

素因数の和:1296103

約数の個数: 18

約数和(自身を含む): 281251530

約数和(自身を除く): 151642630

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 1296089, 2592178, 5184356, 6480445, 12960890, 25921780, 32402225, 64804450, 129608900]

約数ペア:

[(1, 129608900), (2, 64804450), (4, 32402225), (5, 25921780), (10, 12960890), (20, 6480445), (25, 5184356), (50, 2592178), (100, 1296089)]