129253400

素因数分解:

$2^3\times 5^2\times {\mathrm{646267}}^1$

素因数の和:646283

約数の個数: 24

約数和(自身を含む): 300514620

約数和(自身を除く): 171261220

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 646267, 1292534, 2585068, 3231335, 5170136, 6462670, 12925340, 16156675, 25850680, 32313350, 64626700, 129253400]

約数ペア:

[(1, 129253400), (2, 64626700), (4, 32313350), (5, 25850680), (8, 16156675), (10, 12925340), (20, 6462670), (25, 5170136), (40, 3231335), (50, 2585068), (100, 1292534), (200, 646267)]