25925744

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{124643}}^1$

素因数の和:124664

約数の個数: 20

約数和(自身を含む): 54095496

約数和(自身を除く): 28169752

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 124643, 249286, 498572, 997144, 1620359, 1994288, 3240718, 6481436, 12962872, 25925744]

約数ペア:

[(1, 25925744), (2, 12962872), (4, 6481436), (8, 3240718), (13, 1994288), (16, 1620359), (26, 997144), (52, 498572), (104, 249286), (208, 124643)]