5561240

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3391}}^1$

素因数の和:3443

約数の個数: 32

約数和(自身を含む): 12821760

約数和(自身を除く): 7260520

約数列:

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

約数ペア:

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