25305488

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{121661}}^1$

素因数の和:121682

約数の個数: 20

約数和(自身を含む): 52801308

約数和(自身を除く): 27495820

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 121661, 243322, 486644, 973288, 1581593, 1946576, 3163186, 6326372, 12652744, 25305488]

約数ペア:

[(1, 25305488), (2, 12652744), (4, 6326372), (8, 3163186), (13, 1946576), (16, 1581593), (26, 973288), (52, 486644), (104, 243322), (208, 121661)]