84879560

素因数分解:

$2^3\times 5^1\times {\mathrm{2121989}}^1$

素因数の和:2122000

約数の個数: 16

約数和(自身を含む): 190979100

約数和(自身を除く): 106099540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2121989, 4243978, 8487956, 10609945, 16975912, 21219890, 42439780, 84879560]

約数ペア:

[(1, 84879560), (2, 42439780), (4, 21219890), (5, 16975912), (8, 10609945), (10, 8487956), (20, 4243978), (40, 2121989)]