42920450

素因数分解:

$2^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{19963}}^1$

素因数の和:20018

約数の個数: 24

約数和(自身を含む): 81692688

約数和(自身を除く): 38772238

約数列:

[1, 2, 5, 10, 25, 43, 50, 86, 215, 430, 1075, 2150, 19963, 39926, 99815, 199630, 499075, 858409, 998150, 1716818, 4292045, 8584090, 21460225, 42920450]

約数ペア:

[(1, 42920450), (2, 21460225), (5, 8584090), (10, 4292045), (25, 1716818), (43, 998150), (50, 858409), (86, 499075), (215, 199630), (430, 99815), (1075, 39926), (2150, 19963)]