39780290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{859}}^1$

素因数の和:1298

約数の個数: 32

約数和(自身を含む): 78390720

約数和(自身を除く): 38610430

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 421, 842, 859, 1718, 2105, 4210, 4295, 4631, 8590, 9262, 9449, 18898, 23155, 46310, 47245, 94490, 361639, 723278, 1808195, 3616390, 3978029, 7956058, 19890145, 39780290]

約数ペア:

[(1, 39780290), (2, 19890145), (5, 7956058), (10, 3978029), (11, 3616390), (22, 1808195), (55, 723278), (110, 361639), (421, 94490), (842, 47245), (859, 46310), (1718, 23155), (2105, 18898), (4210, 9449), (4295, 9262), (4631, 8590)]