77900140

素因数分解:

$2^2\times 5^1\times {\mathrm{1319}}^1\times {\mathrm{2953}}^1$

素因数の和:4281

約数の個数: 24

約数和(自身を含む): 163769760

約数和(自身を除く): 85869620

約数列:

[1, 2, 4, 5, 10, 20, 1319, 2638, 2953, 5276, 5906, 6595, 11812, 13190, 14765, 26380, 29530, 59060, 3895007, 7790014, 15580028, 19475035, 38950070, 77900140]

約数ペア:

[(1, 77900140), (2, 38950070), (4, 19475035), (5, 15580028), (10, 7790014), (20, 3895007), (1319, 59060), (2638, 29530), (2953, 26380), (5276, 14765), (5906, 13190), (6595, 11812)]