40254038

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{181}}^1\times {\mathrm{919}}^1$

素因数の和:1124

約数の個数: 24

約数和(自身を含む): 66808560

約数和(自身を除く): 26554522

約数列:

[1, 2, 11, 22, 121, 181, 242, 362, 919, 1838, 1991, 3982, 10109, 20218, 21901, 43802, 111199, 166339, 222398, 332678, 1829729, 3659458, 20127019, 40254038]

約数ペア:

[(1, 40254038), (2, 20127019), (11, 3659458), (22, 1829729), (121, 332678), (181, 222398), (242, 166339), (362, 111199), (919, 43802), (1838, 21901), (1991, 20218), (3982, 10109)]