4426780

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{1049}}^1$

素因数の和:1269

約数の個数: 24

約数和(自身を含む): 9349200

約数和(自身を除く): 4922420

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1049, 1055, 2098, 2110, 4196, 4220, 5245, 10490, 20980, 221339, 442678, 885356, 1106695, 2213390, 4426780]

約数ペア:

[(1, 4426780), (2, 2213390), (4, 1106695), (5, 885356), (10, 442678), (20, 221339), (211, 20980), (422, 10490), (844, 5245), (1049, 4220), (1055, 4196), (2098, 2110)]