144237820

素因数分解:

$2^2\times 5^1\times {\mathrm{641}}^1\times {\mathrm{11251}}^1$

素因数の和:11901

約数の個数: 24

約数和(自身を含む): 303398928

約数和(自身を除く): 159161108

約数列:

[1, 2, 4, 5, 10, 20, 641, 1282, 2564, 3205, 6410, 11251, 12820, 22502, 45004, 56255, 112510, 225020, 7211891, 14423782, 28847564, 36059455, 72118910, 144237820]

約数ペア:

[(1, 144237820), (2, 72118910), (4, 36059455), (5, 28847564), (10, 14423782), (20, 7211891), (641, 225020), (1282, 112510), (2564, 56255), (3205, 45004), (6410, 22502), (11251, 12820)]