42078100

素因数分解:

$2^2\times 5^2\times {\mathrm{420781}}^1$

素因数の和:420795

約数の個数: 18

約数和(自身を含む): 91309694

約数和(自身を除く): 49231594

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 420781, 841562, 1683124, 2103905, 4207810, 8415620, 10519525, 21039050, 42078100]

約数ペア:

[(1, 42078100), (2, 21039050), (4, 10519525), (5, 8415620), (10, 4207810), (20, 2103905), (25, 1683124), (50, 841562), (100, 420781)]