39980020

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{37717}}^1$

素因数の和:37779

約数の個数: 24

約数和(自身を含む): 85544424

約数和(自身を除く): 45564404

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 37717, 75434, 150868, 188585, 377170, 754340, 1999001, 3998002, 7996004, 9995005, 19990010, 39980020]

約数ペア:

[(1, 39980020), (2, 19990010), (4, 9995005), (5, 7996004), (10, 3998002), (20, 1999001), (53, 754340), (106, 377170), (212, 188585), (265, 150868), (530, 75434), (1060, 37717)]