7919980

素因数分解:

$2^2\times 5^1\times {\mathrm{461}}^1\times {\mathrm{859}}^1$

素因数の和:1329

約数の個数: 24

約数和(自身を含む): 16687440

約数和(自身を除く): 8767460

約数列:

[1, 2, 4, 5, 10, 20, 461, 859, 922, 1718, 1844, 2305, 3436, 4295, 4610, 8590, 9220, 17180, 395999, 791998, 1583996, 1979995, 3959990, 7919980]

約数ペア:

[(1, 7919980), (2, 3959990), (4, 1979995), (5, 1583996), (10, 791998), (20, 395999), (461, 17180), (859, 9220), (922, 8590), (1718, 4610), (1844, 4295), (2305, 3436)]