39809275

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{401}}^1$

素因数の和:460

約数の個数: 36

約数和(自身を含む): 56976264

約数和(自身を除く): 17166989

約数列:

[1, 5, 11, 19, 25, 55, 95, 209, 275, 361, 401, 475, 1045, 1805, 2005, 3971, 4411, 5225, 7619, 9025, 10025, 19855, 22055, 38095, 83809, 99275, 110275, 144761, 190475, 419045, 723805, 1592371, 2095225, 3619025, 7961855, 39809275]

約数ペア:

[(1, 39809275), (5, 7961855), (11, 3619025), (19, 2095225), (25, 1592371), (55, 723805), (95, 419045), (209, 190475), (275, 144761), (361, 110275), (401, 99275), (475, 83809), (1045, 38095), (1805, 22055), (2005, 19855), (3971, 10025), (4411, 9025), (5225, 7619)]