84438040

素因数分解:

$2^3\times 5^1\times {\mathrm{2110951}}^1$

素因数の和:2110962

約数の個数: 16

約数和(自身を含む): 189985680

約数和(自身を除く): 105547640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2110951, 4221902, 8443804, 10554755, 16887608, 21109510, 42219020, 84438040]

約数ペア:

[(1, 84438040), (2, 42219020), (4, 21109510), (5, 16887608), (8, 10554755), (10, 8443804), (20, 4221902), (40, 2110951)]