90009340

素因数分解:

$2^2\times 5^1\times {\mathrm{809}}^1\times {\mathrm{5563}}^1$

素因数の和:6381

約数の個数: 24

約数和(自身を含む): 189287280

約数和(自身を除く): 99277940

約数列:

[1, 2, 4, 5, 10, 20, 809, 1618, 3236, 4045, 5563, 8090, 11126, 16180, 22252, 27815, 55630, 111260, 4500467, 9000934, 18001868, 22502335, 45004670, 90009340]

約数ペア:

[(1, 90009340), (2, 45004670), (4, 22502335), (5, 18001868), (10, 9000934), (20, 4500467), (809, 111260), (1618, 55630), (3236, 27815), (4045, 22252), (5563, 16180), (8090, 11126)]