1345396540

素因数分解:

$2^2\times 5^1\times {\mathrm{3877}}^1\times {\mathrm{17351}}^1$

素因数の和:21237

約数の個数: 24

約数和(自身を含む): 2826224352

約数和(自身を除く): 1480827812

約数列:

[1, 2, 4, 5, 10, 20, 3877, 7754, 15508, 17351, 19385, 34702, 38770, 69404, 77540, 86755, 173510, 347020, 67269827, 134539654, 269079308, 336349135, 672698270, 1345396540]

約数ペア:

[(1, 1345396540), (2, 672698270), (4, 336349135), (5, 269079308), (10, 134539654), (20, 67269827), (3877, 347020), (7754, 173510), (15508, 86755), (17351, 77540), (19385, 69404), (34702, 38770)]