209210440

素因数分解:

$2^3\times 5^1\times {\mathrm{5230261}}^1$

素因数の和:5230272

約数の個数: 16

約数和(自身を含む): 470723580

約数和(自身を除く): 261513140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5230261, 10460522, 20921044, 26151305, 41842088, 52302610, 104605220, 209210440]

約数ペア:

[(1, 209210440), (2, 104605220), (4, 52302610), (5, 41842088), (8, 26151305), (10, 20921044), (20, 10460522), (40, 5230261)]