129894080

素因数分解:

$2^6\times 5^1\times {\mathrm{101}}^1\times {\mathrm{4019}}^1$

素因数の和:4137

約数の個数: 56

約数和(自身を含む): 312450480

約数和(自身を除く): 182556400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 101, 160, 202, 320, 404, 505, 808, 1010, 1616, 2020, 3232, 4019, 4040, 6464, 8038, 8080, 16076, 16160, 20095, 32152, 32320, 40190, 64304, 80380, 128608, 160760, 257216, 321520, 405919, 643040, 811838, 1286080, 1623676, 2029595, 3247352, 4059190, 6494704, 8118380, 12989408, 16236760, 25978816, 32473520, 64947040, 129894080]

約数ペア:

[(1, 129894080), (2, 64947040), (4, 32473520), (5, 25978816), (8, 16236760), (10, 12989408), (16, 8118380), (20, 6494704), (32, 4059190), (40, 3247352), (64, 2029595), (80, 1623676), (101, 1286080), (160, 811838), (202, 643040), (320, 405919), (404, 321520), (505, 257216), (808, 160760), (1010, 128608), (1616, 80380), (2020, 64304), (3232, 40190), (4019, 32320), (4040, 32152), (6464, 20095), (8038, 16160), (8080, 16076)]