40431376

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{35591}}^1$

素因数の和:35670

約数の個数: 20

約数和(自身を含む): 79441344

約数和(自身を除く): 39009968

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 35591, 71182, 142364, 284728, 569456, 2526961, 5053922, 10107844, 20215688, 40431376]

約数ペア:

[(1, 40431376), (2, 20215688), (4, 10107844), (8, 5053922), (16, 2526961), (71, 569456), (142, 284728), (284, 142364), (568, 71182), (1136, 35591)]