201687440

素因数分解:

$2^4\times 5^1\times {\mathrm{2521093}}^1$

素因数の和:2521106

約数の個数: 20

約数和(自身を含む): 468923484

約数和(自身を除く): 267236044

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2521093, 5042186, 10084372, 12605465, 20168744, 25210930, 40337488, 50421860, 100843720, 201687440]

約数ペア:

[(1, 201687440), (2, 100843720), (4, 50421860), (5, 40337488), (8, 25210930), (10, 20168744), (16, 12605465), (20, 10084372), (40, 5042186), (80, 2521093)]