6879980

素因数分解:

$2^2\times 5^1\times {\mathrm{419}}^1\times {\mathrm{821}}^1$

素因数の和:1249

約数の個数: 24

約数和(自身を含む): 14500080

約数和(自身を除く): 7620100

約数列:

[1, 2, 4, 5, 10, 20, 419, 821, 838, 1642, 1676, 2095, 3284, 4105, 4190, 8210, 8380, 16420, 343999, 687998, 1375996, 1719995, 3439990, 6879980]

約数ペア:

[(1, 6879980), (2, 3439990), (4, 1719995), (5, 1375996), (10, 687998), (20, 343999), (419, 16420), (821, 8380), (838, 8210), (1642, 4190), (1676, 4105), (2095, 3284)]