11122480

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3391}}^1$

素因数の和:3445

約数の個数: 40

約数和(自身を含む): 26498304

約数和(自身を除く): 15375824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 3391, 6782, 13564, 16955, 27128, 33910, 54256, 67820, 135640, 139031, 271280, 278062, 556124, 695155, 1112248, 1390310, 2224496, 2780620, 5561240, 11122480]

約数ペア:

[(1, 11122480), (2, 5561240), (4, 2780620), (5, 2224496), (8, 1390310), (10, 1112248), (16, 695155), (20, 556124), (40, 278062), (41, 271280), (80, 139031), (82, 135640), (164, 67820), (205, 54256), (328, 33910), (410, 27128), (656, 16955), (820, 13564), (1640, 6782), (3280, 3391)]