3240400

素因数分解:

$2^4\times 5^2\times {\mathrm{8101}}^1$

素因数の和:8119

約数の個数: 30

約数和(自身を含む): 7786022

約数和(自身を除く): 4545622

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 8101, 16202, 32404, 40505, 64808, 81010, 129616, 162020, 202525, 324040, 405050, 648080, 810100, 1620200, 3240400]

約数ペア:

[(1, 3240400), (2, 1620200), (4, 810100), (5, 648080), (8, 405050), (10, 324040), (16, 202525), (20, 162020), (25, 129616), (40, 81010), (50, 64808), (80, 40505), (100, 32404), (200, 16202), (400, 8101)]