201565220

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{55681}}^1$

素因数の和:55871

約数の個数: 24

約数和(自身を含む): 425633208

約数和(自身を除く): 224067988

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3620, 55681, 111362, 222724, 278405, 556810, 1113620, 10078261, 20156522, 40313044, 50391305, 100782610, 201565220]

約数ペア:

[(1, 201565220), (2, 100782610), (4, 50391305), (5, 40313044), (10, 20156522), (20, 10078261), (181, 1113620), (362, 556810), (724, 278405), (905, 222724), (1810, 111362), (3620, 55681)]