201993799120

素因数分解:

$2^4\times 5^1\times {\mathrm{2524922489}}^1$

素因数の和:2524922502

約数の個数: 20

約数和(自身を含む): 469635583140

約数和(自身を除く): 267641784020

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2524922489, 5049844978, 10099689956, 12624612445, 20199379912, 25249224890, 40398759824, 50498449780, 100996899560, 201993799120]

約数ペア:

[(1, 201993799120), (2, 100996899560), (4, 50498449780), (5, 40398759824), (8, 25249224890), (10, 20199379912), (16, 12624612445), (20, 10099689956), (40, 5049844978), (80, 2524922489)]