405825025

素因数分解:

$5^2\times {\mathrm{47}}^1\times {\mathrm{569}}^1\times {\mathrm{607}}^1$

素因数の和:1233

約数の個数: 24

約数和(自身を含む): 515681280

約数和(自身を除く): 109856255

約数列:

[1, 5, 25, 47, 235, 569, 607, 1175, 2845, 3035, 14225, 15175, 26743, 28529, 133715, 142645, 345383, 668575, 713225, 1726915, 8634575, 16233001, 81165005, 405825025]

約数ペア:

[(1, 405825025), (5, 81165005), (25, 16233001), (47, 8634575), (235, 1726915), (569, 713225), (607, 668575), (1175, 345383), (2845, 142645), (3035, 133715), (14225, 28529), (15175, 26743)]