86771980

素因数分解:

$2^2\times 5^1\times {\mathrm{919}}^1\times {\mathrm{4721}}^1$

素因数の和:5649

約数の個数: 24

約数和(自身を含む): 182458080

約数和(自身を除く): 95686100

約数列:

[1, 2, 4, 5, 10, 20, 919, 1838, 3676, 4595, 4721, 9190, 9442, 18380, 18884, 23605, 47210, 94420, 4338599, 8677198, 17354396, 21692995, 43385990, 86771980]

約数ペア:

[(1, 86771980), (2, 43385990), (4, 21692995), (5, 17354396), (10, 8677198), (20, 4338599), (919, 94420), (1838, 47210), (3676, 23605), (4595, 18884), (4721, 18380), (9190, 9442)]