71322940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8849}}^1$

素因数の和:8902

約数の個数: 48

約数和(自身を含む): 166521600

約数和(自身を除く): 95198660

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 8849, 17698, 35396, 44245, 88490, 115037, 176980, 230074, 274319, 460148, 548638, 575185, 1097276, 1150370, 1371595, 2300740, 2743190, 3566147, 5486380, 7132294, 14264588, 17830735, 35661470, 71322940]

約数ペア:

[(1, 71322940), (2, 35661470), (4, 17830735), (5, 14264588), (10, 7132294), (13, 5486380), (20, 3566147), (26, 2743190), (31, 2300740), (52, 1371595), (62, 1150370), (65, 1097276), (124, 575185), (130, 548638), (155, 460148), (260, 274319), (310, 230074), (403, 176980), (620, 115037), (806, 88490), (1612, 44245), (2015, 35396), (4030, 17698), (8060, 8849)]