202188020

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{77171}}^1$

素因数の和:77311

約数の個数: 24

約数和(自身を含む): 427841568

約数和(自身を除く): 225653548

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 77171, 154342, 308684, 385855, 771710, 1543420, 10109401, 20218802, 40437604, 50547005, 101094010, 202188020]

約数ペア:

[(1, 202188020), (2, 101094010), (4, 50547005), (5, 40437604), (10, 20218802), (20, 10109401), (131, 1543420), (262, 771710), (524, 385855), (655, 308684), (1310, 154342), (2620, 77171)]