15089980

素因数分解:

$2^2\times 5^1\times {\mathrm{821}}^1\times {\mathrm{919}}^1$

素因数の和:1749

約数の個数: 24

約数和(自身を含む): 31762080

約数和(自身を除く): 16672100

約数列:

[1, 2, 4, 5, 10, 20, 821, 919, 1642, 1838, 3284, 3676, 4105, 4595, 8210, 9190, 16420, 18380, 754499, 1508998, 3017996, 3772495, 7544990, 15089980]

約数ペア:

[(1, 15089980), (2, 7544990), (4, 3772495), (5, 3017996), (10, 1508998), (20, 754499), (821, 18380), (919, 16420), (1642, 9190), (1838, 8210), (3284, 4595), (3676, 4105)]