40640084

素因数分解:

$2^2\times {\mathrm{521}}^1\times {\mathrm{19501}}^1$

素因数の和:20026

約数の個数: 12

約数和(自身を含む): 71260308

約数和(自身を除く): 30620224

約数列:

[1, 2, 4, 521, 1042, 2084, 19501, 39002, 78004, 10160021, 20320042, 40640084]

約数ペア:

[(1, 40640084), (2, 20320042), (4, 10160021), (521, 78004), (1042, 39002), (2084, 19501)]