205127725

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{3121}}^1$

素因数の和:3381

約数の個数: 24

約数和(自身を含む): 278732160

約数和(自身を除く): 73604435

約数列:

[1, 5, 11, 25, 55, 239, 275, 1195, 2629, 3121, 5975, 13145, 15605, 34331, 65725, 78025, 171655, 745919, 858275, 3729595, 8205109, 18647975, 41025545, 205127725]

約数ペア:

[(1, 205127725), (5, 41025545), (11, 18647975), (25, 8205109), (55, 3729595), (239, 858275), (275, 745919), (1195, 171655), (2629, 78025), (3121, 65725), (5975, 34331), (13145, 15605)]