26258375

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{113}}^1$

素因数の和:165

約数の個数: 48

約数和(自身を含む): 39053664

約数和(自身を除く): 12795289

約数列:

[1, 5, 11, 13, 25, 55, 65, 113, 125, 143, 169, 275, 325, 565, 715, 845, 1243, 1375, 1469, 1625, 1859, 2825, 3575, 4225, 6215, 7345, 9295, 14125, 16159, 17875, 19097, 21125, 31075, 36725, 46475, 80795, 95485, 155375, 183625, 210067, 232375, 403975, 477425, 1050335, 2019875, 2387125, 5251675, 26258375]

約数ペア:

[(1, 26258375), (5, 5251675), (11, 2387125), (13, 2019875), (25, 1050335), (55, 477425), (65, 403975), (113, 232375), (125, 210067), (143, 183625), (169, 155375), (275, 95485), (325, 80795), (565, 46475), (715, 36725), (845, 31075), (1243, 21125), (1375, 19097), (1469, 17875), (1625, 16159), (1859, 14125), (2825, 9295), (3575, 7345), (4225, 6215)]