26980580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{11149}}^1$

素因数の和:11180

約数の個数: 36

約数和(自身を含む): 62283900

約数和(自身を除く): 35303320

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 11149, 22298, 44596, 55745, 111490, 122639, 222980, 245278, 490556, 613195, 1226390, 1349029, 2452780, 2698058, 5396116, 6745145, 13490290, 26980580]

約数ペア:

[(1, 26980580), (2, 13490290), (4, 6745145), (5, 5396116), (10, 2698058), (11, 2452780), (20, 1349029), (22, 1226390), (44, 613195), (55, 490556), (110, 245278), (121, 222980), (220, 122639), (242, 111490), (484, 55745), (605, 44596), (1210, 22298), (2420, 11149)]