25000144

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{120193}}^1$

素因数の和:120214

約数の個数: 20

約数和(自身を含む): 52164196

約数和(自身を除く): 27164052

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 120193, 240386, 480772, 961544, 1562509, 1923088, 3125018, 6250036, 12500072, 25000144]

約数ペア:

[(1, 25000144), (2, 12500072), (4, 6250036), (8, 3125018), (13, 1923088), (16, 1562509), (26, 961544), (52, 480772), (104, 240386), (208, 120193)]