5207020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2861}}^1$

素因数の和:2890

約数の個数: 48

約数和(自身を含む): 13462848

約数和(自身を除く): 8255828

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 2861, 5722, 11444, 14305, 20027, 28610, 37193, 40054, 57220, 74386, 80108, 100135, 148772, 185965, 200270, 260351, 371930, 400540, 520702, 743860, 1041404, 1301755, 2603510, 5207020]

約数ペア:

[(1, 5207020), (2, 2603510), (4, 1301755), (5, 1041404), (7, 743860), (10, 520702), (13, 400540), (14, 371930), (20, 260351), (26, 200270), (28, 185965), (35, 148772), (52, 100135), (65, 80108), (70, 74386), (91, 57220), (130, 40054), (140, 37193), (182, 28610), (260, 20027), (364, 14305), (455, 11444), (910, 5722), (1820, 2861)]