40980580

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{18133}}^1$

素因数の和:18255

約数の個数: 24

約数和(自身を含む): 86825592

約数和(自身を除く): 45845012

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 18133, 36266, 72532, 90665, 181330, 362660, 2049029, 4098058, 8196116, 10245145, 20490290, 40980580]

約数ペア:

[(1, 40980580), (2, 20490290), (4, 10245145), (5, 8196116), (10, 4098058), (20, 2049029), (113, 362660), (226, 181330), (452, 90665), (565, 72532), (1130, 36266), (2260, 18133)]