80272816

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{385927}}^1$

素因数の和:385948

約数の個数: 20

約数和(自身を含む): 167492752

約数和(自身を除く): 87219936

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 385927, 771854, 1543708, 3087416, 5017051, 6174832, 10034102, 20068204, 40136408, 80272816]

約数ペア:

[(1, 80272816), (2, 40136408), (4, 20068204), (8, 10034102), (13, 6174832), (16, 5017051), (26, 3087416), (52, 1543708), (104, 771854), (208, 385927)]