2642172880

素因数分解:

$2^4\times 5^1\times {\mathrm{33027161}}^1$

素因数の和:33027174

約数の個数: 20

約数和(自身を含む): 6143052132

約数和(自身を除く): 3500879252

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 33027161, 66054322, 132108644, 165135805, 264217288, 330271610, 528434576, 660543220, 1321086440, 2642172880]

約数ペア:

[(1, 2642172880), (2, 1321086440), (4, 660543220), (5, 528434576), (8, 330271610), (10, 264217288), (16, 165135805), (20, 132108644), (40, 66054322), (80, 33027161)]