2756840

素因数分解:

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

素因数の和:134

約数の個数: 32

約数和(自身を含む): 6357960

約数和(自身を除く): 3601120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 1681, 3362, 6724, 8405, 13448, 16810, 33620, 67240, 68921, 137842, 275684, 344605, 551368, 689210, 1378420, 2756840]

約数ペア:

[(1, 2756840), (2, 1378420), (4, 689210), (5, 551368), (8, 344605), (10, 275684), (20, 137842), (40, 68921), (41, 67240), (82, 33620), (164, 16810), (205, 13448), (328, 8405), (410, 6724), (820, 3362), (1640, 1681)]