80032880

素因数分解:

$2^4\times 5^1\times {\mathrm{269}}^1\times {\mathrm{3719}}^1$

素因数の和:4001

約数の個数: 40

約数和(自身を含む): 186818400

約数和(自身を除く): 106785520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 269, 538, 1076, 1345, 2152, 2690, 3719, 4304, 5380, 7438, 10760, 14876, 18595, 21520, 29752, 37190, 59504, 74380, 148760, 297520, 1000411, 2000822, 4001644, 5002055, 8003288, 10004110, 16006576, 20008220, 40016440, 80032880]

約数ペア:

[(1, 80032880), (2, 40016440), (4, 20008220), (5, 16006576), (8, 10004110), (10, 8003288), (16, 5002055), (20, 4001644), (40, 2000822), (80, 1000411), (269, 297520), (538, 148760), (1076, 74380), (1345, 59504), (2152, 37190), (2690, 29752), (3719, 21520), (4304, 18595), (5380, 14876), (7438, 10760)]