7745660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^3$

素因数の和:115

約数の個数: 48

約数和(自身を含む): 18100992

約数和(自身を除く): 10355332

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 961, 1612, 1922, 2015, 3844, 4030, 4805, 8060, 9610, 12493, 19220, 24986, 29791, 49972, 59582, 62465, 119164, 124930, 148955, 249860, 297910, 387283, 595820, 774566, 1549132, 1936415, 3872830, 7745660]

約数ペア:

[(1, 7745660), (2, 3872830), (4, 1936415), (5, 1549132), (10, 774566), (13, 595820), (20, 387283), (26, 297910), (31, 249860), (52, 148955), (62, 124930), (65, 119164), (124, 62465), (130, 59582), (155, 49972), (260, 29791), (310, 24986), (403, 19220), (620, 12493), (806, 9610), (961, 8060), (1612, 4805), (1922, 4030), (2015, 3844)]