132157500520

素因数分解:

$2^3\times 5^1\times {\mathrm{991}}^1\times {\mathrm{3333943}}^1$

素因数の和:3334945

約数の個数: 32

約数和(自身を含む): 297654520320

約数和(自身を除く): 165497019800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 991, 1982, 3964, 4955, 7928, 9910, 19820, 39640, 3333943, 6667886, 13335772, 16669715, 26671544, 33339430, 66678860, 133357720, 3303937513, 6607875026, 13215750052, 16519687565, 26431500104, 33039375130, 66078750260, 132157500520]

約数ペア:

[(1, 132157500520), (2, 66078750260), (4, 33039375130), (5, 26431500104), (8, 16519687565), (10, 13215750052), (20, 6607875026), (40, 3303937513), (991, 133357720), (1982, 66678860), (3964, 33339430), (4955, 26671544), (7928, 16669715), (9910, 13335772), (19820, 6667886), (39640, 3333943)]