25005990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{907}}^1\times {\mathrm{919}}^1$

素因数の和:1836

約数の個数: 32

約数和(自身を含む): 60145920

約数和(自身を除く): 35139930

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 907, 919, 1814, 1838, 2721, 2757, 4535, 4595, 5442, 5514, 9070, 9190, 13605, 13785, 27210, 27570, 833533, 1667066, 2500599, 4167665, 5001198, 8335330, 12502995, 25005990]

約数ペア:

[(1, 25005990), (2, 12502995), (3, 8335330), (5, 5001198), (6, 4167665), (10, 2500599), (15, 1667066), (30, 833533), (907, 27570), (919, 27210), (1814, 13785), (1838, 13605), (2721, 9190), (2757, 9070), (4535, 5514), (4595, 5442)]