203478320

素因数分解:

$2^4\times 5^1\times {\mathrm{2543479}}^1$

素因数の和:2543492

約数の個数: 20

約数和(自身を含む): 473087280

約数和(自身を除く): 269608960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2543479, 5086958, 10173916, 12717395, 20347832, 25434790, 40695664, 50869580, 101739160, 203478320]

約数ペア:

[(1, 203478320), (2, 101739160), (4, 50869580), (5, 40695664), (8, 25434790), (10, 20347832), (16, 12717395), (20, 10173916), (40, 5086958), (80, 2543479)]