80273570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{19919}}^1$

素因数の和:19970

約数の個数: 32

約数和(自身を含む): 160634880

約数和(自身を除く): 80361310

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 19919, 39838, 99595, 199190, 258947, 517894, 617489, 1234978, 1294735, 2589470, 3087445, 6174890, 8027357, 16054714, 40136785, 80273570]

約数ペア:

[(1, 80273570), (2, 40136785), (5, 16054714), (10, 8027357), (13, 6174890), (26, 3087445), (31, 2589470), (62, 1294735), (65, 1234978), (130, 617489), (155, 517894), (310, 258947), (403, 199190), (806, 99595), (2015, 39838), (4030, 19919)]