26001025

素因数分解:

$5^2\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:158

約数の個数: 36

約数和(自身を含む): 35338512

約数和(自身を除く): 9337487

約数列:

[1, 5, 19, 25, 43, 67, 95, 215, 335, 361, 475, 817, 1075, 1273, 1675, 1805, 2881, 4085, 6365, 9025, 14405, 15523, 20425, 24187, 31825, 54739, 72025, 77615, 120935, 273695, 388075, 604675, 1040041, 1368475, 5200205, 26001025]

約数ペア:

[(1, 26001025), (5, 5200205), (19, 1368475), (25, 1040041), (43, 604675), (67, 388075), (95, 273695), (215, 120935), (335, 77615), (361, 72025), (475, 54739), (817, 31825), (1075, 24187), (1273, 20425), (1675, 15523), (1805, 14405), (2881, 9025), (4085, 6365)]