2042306780

素因数分解:

$2^2\times 5^1\times {\mathrm{4271}}^1\times {\mathrm{23909}}^1$

素因数の和:28189

約数の個数: 24

約数和(自身を含む): 4290027840

約数和(自身を除く): 2247721060

約数列:

[1, 2, 4, 5, 10, 20, 4271, 8542, 17084, 21355, 23909, 42710, 47818, 85420, 95636, 119545, 239090, 478180, 102115339, 204230678, 408461356, 510576695, 1021153390, 2042306780]

約数ペア:

[(1, 2042306780), (2, 1021153390), (4, 510576695), (5, 408461356), (10, 204230678), (20, 102115339), (4271, 478180), (8542, 239090), (17084, 119545), (21355, 95636), (23909, 85420), (42710, 47818)]