80565388

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{257}}^1\times {\mathrm{719}}^1$

素因数の和:1089

約数の個数: 24

約数和(自身を含む): 143035200

約数和(自身を除く): 62469812

約数列:

[1, 2, 4, 109, 218, 257, 436, 514, 719, 1028, 1438, 2876, 28013, 56026, 78371, 112052, 156742, 184783, 313484, 369566, 739132, 20141347, 40282694, 80565388]

約数ペア:

[(1, 80565388), (2, 40282694), (4, 20141347), (109, 739132), (218, 369566), (257, 313484), (436, 184783), (514, 156742), (719, 112052), (1028, 78371), (1438, 56026), (2876, 28013)]