25530128

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{122741}}^1$

素因数の和:122762

約数の個数: 20

約数和(自身を含む): 53270028

約数和(自身を除く): 27739900

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 122741, 245482, 490964, 981928, 1595633, 1963856, 3191266, 6382532, 12765064, 25530128]

約数ペア:

[(1, 25530128), (2, 12765064), (4, 6382532), (8, 3191266), (13, 1963856), (16, 1595633), (26, 981928), (52, 490964), (104, 245482), (208, 122741)]