2580325

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{853}}^1$

素因数の和:885

約数の個数: 18

約数和(自身を含む): 3521042

約数和(自身を除く): 940717

約数列:

[1, 5, 11, 25, 55, 121, 275, 605, 853, 3025, 4265, 9383, 21325, 46915, 103213, 234575, 516065, 2580325]

約数ペア:

[(1, 2580325), (5, 516065), (11, 234575), (25, 103213), (55, 46915), (121, 21325), (275, 9383), (605, 4265), (853, 3025)]