16280825

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{811}}^1$

素因数の和:905

約数の個数: 24

約数和(自身を含む): 22352736

約数和(自身を除く): 6071911

約数列:

[1, 5, 11, 25, 55, 73, 275, 365, 803, 811, 1825, 4015, 4055, 8921, 20075, 20275, 44605, 59203, 223025, 296015, 651233, 1480075, 3256165, 16280825]

約数ペア:

[(1, 16280825), (5, 3256165), (11, 1480075), (25, 651233), (55, 296015), (73, 223025), (275, 59203), (365, 44605), (803, 20275), (811, 20075), (1825, 8921), (4015, 4055)]