209773640

素因数分解:

$2^3\times 5^1\times {\mathrm{5244341}}^1$

素因数の和:5244352

約数の個数: 16

約数和(自身を含む): 471990780

約数和(自身を除く): 262217140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5244341, 10488682, 20977364, 26221705, 41954728, 52443410, 104886820, 209773640]

約数ペア:

[(1, 209773640), (2, 104886820), (4, 52443410), (5, 41954728), (8, 26221705), (10, 20977364), (20, 10488682), (40, 5244341)]