161962520

素因数分解:

$2^3\times 5^1\times {\mathrm{4049063}}^1$

素因数の和:4049074

約数の個数: 16

約数和(自身を含む): 364415760

約数和(自身を除く): 202453240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4049063, 8098126, 16196252, 20245315, 32392504, 40490630, 80981260, 161962520]

約数ペア:

[(1, 161962520), (2, 80981260), (4, 40490630), (5, 32392504), (8, 20245315), (10, 16196252), (20, 8098126), (40, 4049063)]