25717135

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{1999}}^1$

素因数の和:2118

約数の個数: 16

約数和(自身を含む): 32256000

約数和(自身を除く): 6538865

約数列:

[1, 5, 31, 83, 155, 415, 1999, 2573, 9995, 12865, 61969, 165917, 309845, 829585, 5143427, 25717135]

約数ペア:

[(1, 25717135), (5, 5143427), (31, 829585), (83, 309845), (155, 165917), (415, 61969), (1999, 12865), (2573, 9995)]