81122120

素因数分解:

$2^3\times 5^1\times {\mathrm{2028053}}^1$

素因数の和:2028064

約数の個数: 16

約数和(自身を含む): 182524860

約数和(自身を除く): 101402740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2028053, 4056106, 8112212, 10140265, 16224424, 20280530, 40561060, 81122120]

約数ペア:

[(1, 81122120), (2, 40561060), (4, 20280530), (5, 16224424), (8, 10140265), (10, 8112212), (20, 4056106), (40, 2028053)]