2221180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8543}}^1$

素因数の和:8565

約数の個数: 24

約数和(自身を含む): 5023872

約数和(自身を除く): 2802692

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 8543, 17086, 34172, 42715, 85430, 111059, 170860, 222118, 444236, 555295, 1110590, 2221180]

約数ペア:

[(1, 2221180), (2, 1110590), (4, 555295), (5, 444236), (10, 222118), (13, 170860), (20, 111059), (26, 85430), (52, 42715), (65, 34172), (130, 17086), (260, 8543)]