25457744

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{122393}}^1$

素因数の和:122414

約数の個数: 20

約数和(自身を含む): 53118996

約数和(自身を除く): 27661252

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 122393, 244786, 489572, 979144, 1591109, 1958288, 3182218, 6364436, 12728872, 25457744]

約数ペア:

[(1, 25457744), (2, 12728872), (4, 6364436), (8, 3182218), (13, 1958288), (16, 1591109), (26, 979144), (52, 489572), (104, 244786), (208, 122393)]