40387562

素因数分解:

$2^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1\times {\mathrm{1109}}^1$

素因数の和:1381

約数の個数: 16

約数和(自身を含む): 61538400

約数和(自身を除く): 21150838

約数列:

[1, 2, 131, 139, 262, 278, 1109, 2218, 18209, 36418, 145279, 154151, 290558, 308302, 20193781, 40387562]

約数ペア:

[(1, 40387562), (2, 20193781), (131, 308302), (139, 290558), (262, 154151), (278, 145279), (1109, 36418), (2218, 18209)]