27221960

素因数分解:

$2^3\times 5^1\times {\mathrm{431}}^1\times {\mathrm{1579}}^1$

素因数の和:2021

約数の個数: 32

約数和(自身を含む): 61430400

約数和(自身を除く): 34208440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 431, 862, 1579, 1724, 2155, 3158, 3448, 4310, 6316, 7895, 8620, 12632, 15790, 17240, 31580, 63160, 680549, 1361098, 2722196, 3402745, 5444392, 6805490, 13610980, 27221960]

約数ペア:

[(1, 27221960), (2, 13610980), (4, 6805490), (5, 5444392), (8, 3402745), (10, 2722196), (20, 1361098), (40, 680549), (431, 63160), (862, 31580), (1579, 17240), (1724, 15790), (2155, 12632), (3158, 8620), (3448, 7895), (4310, 6316)]