7980260

素因数分解:

$2^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{1283}}^1$

素因数の和:1603

約数の個数: 24

約数和(自身を含む): 16825536

約数和(自身を除く): 8845276

約数列:

[1, 2, 4, 5, 10, 20, 311, 622, 1244, 1283, 1555, 2566, 3110, 5132, 6220, 6415, 12830, 25660, 399013, 798026, 1596052, 1995065, 3990130, 7980260]

約数ペア:

[(1, 7980260), (2, 3990130), (4, 1995065), (5, 1596052), (10, 798026), (20, 399013), (311, 25660), (622, 12830), (1244, 6415), (1283, 6220), (1555, 5132), (2566, 3110)]