55816840

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{10039}}^1$

素因数の和:10189

約数の個数: 32

約数和(自身を含む): 126504000

約数和(自身を除く): 70687160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 10039, 20078, 40156, 50195, 80312, 100390, 200780, 401560, 1395421, 2790842, 5581684, 6977105, 11163368, 13954210, 27908420, 55816840]

約数ペア:

[(1, 55816840), (2, 27908420), (4, 13954210), (5, 11163368), (8, 6977105), (10, 5581684), (20, 2790842), (40, 1395421), (139, 401560), (278, 200780), (556, 100390), (695, 80312), (1112, 50195), (1390, 40156), (2780, 20078), (5560, 10039)]