18010640

素因数分解:

$2^4\times 5^1\times {\mathrm{225133}}^1$

素因数の和:225146

約数の個数: 20

約数和(自身を含む): 41874924

約数和(自身を除く): 23864284

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 225133, 450266, 900532, 1125665, 1801064, 2251330, 3602128, 4502660, 9005320, 18010640]

約数ペア:

[(1, 18010640), (2, 9005320), (4, 4502660), (5, 3602128), (8, 2251330), (10, 1801064), (16, 1125665), (20, 900532), (40, 450266), (80, 225133)]