2688620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^3\times {\mathrm{101}}^1$

素因数の和:143

約数の個数: 48

約数和(自身を含む): 6271776

約数和(自身を除く): 3583156

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 101, 110, 121, 202, 220, 242, 404, 484, 505, 605, 1010, 1111, 1210, 1331, 2020, 2222, 2420, 2662, 4444, 5324, 5555, 6655, 11110, 12221, 13310, 22220, 24442, 26620, 48884, 61105, 122210, 134431, 244420, 268862, 537724, 672155, 1344310, 2688620]

約数ペア:

[(1, 2688620), (2, 1344310), (4, 672155), (5, 537724), (10, 268862), (11, 244420), (20, 134431), (22, 122210), (44, 61105), (55, 48884), (101, 26620), (110, 24442), (121, 22220), (202, 13310), (220, 12221), (242, 11110), (404, 6655), (484, 5555), (505, 5324), (605, 4444), (1010, 2662), (1111, 2420), (1210, 2222), (1331, 2020)]