89065240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2851}}^1$

素因数の和:2944

約数の個数: 64

約数和(自身を含む): 221771520

約数和(自身を除く): 132706280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 71, 88, 110, 142, 220, 284, 355, 440, 568, 710, 781, 1420, 1562, 2840, 2851, 3124, 3905, 5702, 6248, 7810, 11404, 14255, 15620, 22808, 28510, 31240, 31361, 57020, 62722, 114040, 125444, 156805, 202421, 250888, 313610, 404842, 627220, 809684, 1012105, 1254440, 1619368, 2024210, 2226631, 4048420, 4453262, 8096840, 8906524, 11133155, 17813048, 22266310, 44532620, 89065240]

約数ペア:

[(1, 89065240), (2, 44532620), (4, 22266310), (5, 17813048), (8, 11133155), (10, 8906524), (11, 8096840), (20, 4453262), (22, 4048420), (40, 2226631), (44, 2024210), (55, 1619368), (71, 1254440), (88, 1012105), (110, 809684), (142, 627220), (220, 404842), (284, 313610), (355, 250888), (440, 202421), (568, 156805), (710, 125444), (781, 114040), (1420, 62722), (1562, 57020), (2840, 31361), (2851, 31240), (3124, 28510), (3905, 22808), (5702, 15620), (6248, 14255), (7810, 11404)]