2280450020

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{540391}}^1$

素因数の和:540611

約数の個数: 24

約数和(自身を含む): 4811650368

約数和(自身を除く): 2531200348

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 4220, 540391, 1080782, 2161564, 2701955, 5403910, 10807820, 114022501, 228045002, 456090004, 570112505, 1140225010, 2280450020]

約数ペア:

[(1, 2280450020), (2, 1140225010), (4, 570112505), (5, 456090004), (10, 228045002), (20, 114022501), (211, 10807820), (422, 5403910), (844, 2701955), (1055, 2161564), (2110, 1080782), (4220, 540391)]