13424375

素因数分解:

$5^4\times {\mathrm{47}}^1\times {\mathrm{457}}^1$

素因数の和:524

約数の個数: 20

約数和(自身を含む): 17169504

約数和(自身を除く): 3745129

約数列:

[1, 5, 25, 47, 125, 235, 457, 625, 1175, 2285, 5875, 11425, 21479, 29375, 57125, 107395, 285625, 536975, 2684875, 13424375]

約数ペア:

[(1, 13424375), (5, 2684875), (25, 536975), (47, 285625), (125, 107395), (235, 57125), (457, 29375), (625, 21479), (1175, 11425), (2285, 5875)]