552820

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{211}}^1$

素因数の和:351

約数の個数: 24

約数和(自身を含む): 1175328

約数和(自身を除く): 622508

約数列:

[1, 2, 4, 5, 10, 20, 131, 211, 262, 422, 524, 655, 844, 1055, 1310, 2110, 2620, 4220, 27641, 55282, 110564, 138205, 276410, 552820]

約数ペア:

[(1, 552820), (2, 276410), (4, 138205), (5, 110564), (10, 55282), (20, 27641), (131, 4220), (211, 2620), (262, 2110), (422, 1310), (524, 1055), (655, 844)]