40559908

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{503}}^1\times {\mathrm{1061}}^1$

素因数の和:1587

約数の個数: 24

約数和(自身を含む): 74934720

約数和(自身を除く): 34374812

約数列:

[1, 2, 4, 19, 38, 76, 503, 1006, 1061, 2012, 2122, 4244, 9557, 19114, 20159, 38228, 40318, 80636, 533683, 1067366, 2134732, 10139977, 20279954, 40559908]

約数ペア:

[(1, 40559908), (2, 20279954), (4, 10139977), (19, 2134732), (38, 1067366), (76, 533683), (503, 80636), (1006, 40318), (1061, 38228), (2012, 20159), (2122, 19114), (4244, 9557)]