40420402

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{18191}}^1$

素因数の和:18305

約数の個数: 16

約数和(自身を含む): 66801024

約数和(自身を除く): 26380622

約数列:

[1, 2, 11, 22, 101, 202, 1111, 2222, 18191, 36382, 200101, 400202, 1837291, 3674582, 20210201, 40420402]

約数ペア:

[(1, 40420402), (2, 20210201), (11, 3674582), (22, 1837291), (101, 400202), (202, 200101), (1111, 36382), (2222, 18191)]