2165560

素因数分解:

$2^3\times 5^1\times {\mathrm{54139}}^1$

素因数の和:54150

約数の個数: 16

約数和(自身を含む): 4872600

約数和(自身を除く): 2707040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 54139, 108278, 216556, 270695, 433112, 541390, 1082780, 2165560]

約数ペア:

[(1, 2165560), (2, 1082780), (4, 541390), (5, 433112), (8, 270695), (10, 216556), (20, 108278), (40, 54139)]