79287280

素因数分解:

$2^4\times 5^1\times {\mathrm{991091}}^1$

素因数の和:991104

約数の個数: 20

約数和(自身を含む): 184343112

約数和(自身を除く): 105055832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 991091, 1982182, 3964364, 4955455, 7928728, 9910910, 15857456, 19821820, 39643640, 79287280]

約数ペア:

[(1, 79287280), (2, 39643640), (4, 19821820), (5, 15857456), (8, 9910910), (10, 7928728), (16, 4955455), (20, 3964364), (40, 1982182), (80, 991091)]