6720340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{2777}}^1$

素因数の和:2808

約数の個数: 36

約数和(自身を含む): 15517908

約数和(自身を除く): 8797568

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 2777, 5554, 11108, 13885, 27770, 30547, 55540, 61094, 122188, 152735, 305470, 336017, 610940, 672034, 1344068, 1680085, 3360170, 6720340]

約数ペア:

[(1, 6720340), (2, 3360170), (4, 1680085), (5, 1344068), (10, 672034), (11, 610940), (20, 336017), (22, 305470), (44, 152735), (55, 122188), (110, 61094), (121, 55540), (220, 30547), (242, 27770), (484, 13885), (605, 11108), (1210, 5554), (2420, 2777)]