4023025

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1$

素因数の和:249

約数の個数: 24

約数和(自身を含む): 5356800

約数和(自身を除く): 1333775

約数列:

[1, 5, 25, 29, 31, 145, 155, 179, 725, 775, 895, 899, 4475, 4495, 5191, 5549, 22475, 25955, 27745, 129775, 138725, 160921, 804605, 4023025]

約数ペア:

[(1, 4023025), (5, 804605), (25, 160921), (29, 138725), (31, 129775), (145, 27745), (155, 25955), (179, 22475), (725, 5549), (775, 5191), (895, 4495), (899, 4475)]