2087780

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{751}}^1$

素因数の和:899

約数の個数: 24

約数和(自身を含む): 4421760

約数和(自身を除く): 2333980

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 751, 1390, 1502, 2780, 3004, 3755, 7510, 15020, 104389, 208778, 417556, 521945, 1043890, 2087780]

約数ペア:

[(1, 2087780), (2, 1043890), (4, 521945), (5, 417556), (10, 208778), (20, 104389), (139, 15020), (278, 7510), (556, 3755), (695, 3004), (751, 2780), (1390, 1502)]