39763580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{389}}^1$

素因数の和:686

約数の個数: 48

約数和(自身を含む): 88452000

約数和(自身を除く): 48688420

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 269, 380, 389, 538, 778, 1076, 1345, 1556, 1945, 2690, 3890, 5111, 5380, 7391, 7780, 10222, 14782, 20444, 25555, 29564, 36955, 51110, 73910, 102220, 104641, 147820, 209282, 418564, 523205, 1046410, 1988179, 2092820, 3976358, 7952716, 9940895, 19881790, 39763580]

約数ペア:

[(1, 39763580), (2, 19881790), (4, 9940895), (5, 7952716), (10, 3976358), (19, 2092820), (20, 1988179), (38, 1046410), (76, 523205), (95, 418564), (190, 209282), (269, 147820), (380, 104641), (389, 102220), (538, 73910), (778, 51110), (1076, 36955), (1345, 29564), (1556, 25555), (1945, 20444), (2690, 14782), (3890, 10222), (5111, 7780), (5380, 7391)]