2820980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{8297}}^1$

素因数の和:8323

約数の個数: 24

約数和(自身を含む): 6273288

約数和(自身を除く): 3452308

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 8297, 16594, 33188, 41485, 82970, 141049, 165940, 282098, 564196, 705245, 1410490, 2820980]

約数ペア:

[(1, 2820980), (2, 1410490), (4, 705245), (5, 564196), (10, 282098), (17, 165940), (20, 141049), (34, 82970), (68, 41485), (85, 33188), (170, 16594), (340, 8297)]