25318090928

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{121721591}}^1$

素因数の和:121721612

約数の個数: 20

約数和(自身を含む): 52827170928

約数和(自身を除く): 27509080000

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 121721591, 243443182, 486886364, 973772728, 1582380683, 1947545456, 3164761366, 6329522732, 12659045464, 25318090928]

約数ペア:

[(1, 25318090928), (2, 12659045464), (4, 6329522732), (8, 3164761366), (13, 1947545456), (16, 1582380683), (26, 973772728), (52, 486886364), (104, 243443182), (208, 121721591)]