13643125

素因数分解:

$5^4\times {\mathrm{83}}^1\times {\mathrm{263}}^1$

素因数の和:366

約数の個数: 20

約数和(自身を含む): 17319456

約数和(自身を除く): 3676331

約数列:

[1, 5, 25, 83, 125, 263, 415, 625, 1315, 2075, 6575, 10375, 21829, 32875, 51875, 109145, 164375, 545725, 2728625, 13643125]

約数ペア:

[(1, 13643125), (5, 2728625), (25, 545725), (83, 164375), (125, 109145), (263, 51875), (415, 32875), (625, 21829), (1315, 10375), (2075, 6575)]