64945424

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{40189}}^1$

素因数の和:40298

約数の個数: 20

約数和(自身を含む): 127080780

約数和(自身を除く): 62135356

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 40189, 80378, 160756, 321512, 643024, 4059089, 8118178, 16236356, 32472712, 64945424]

約数ペア:

[(1, 64945424), (2, 32472712), (4, 16236356), (8, 8118178), (16, 4059089), (101, 643024), (202, 321512), (404, 160756), (808, 80378), (1616, 40189)]