2604860

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{937}}^1$

素因数の和:1085

約数の個数: 24

約数和(自身を含む): 5515440

約数和(自身を除く): 2910580

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 937, 1390, 1874, 2780, 3748, 4685, 9370, 18740, 130243, 260486, 520972, 651215, 1302430, 2604860]

約数ペア:

[(1, 2604860), (2, 1302430), (4, 651215), (5, 520972), (10, 260486), (20, 130243), (139, 18740), (278, 9370), (556, 4685), (695, 3748), (937, 2780), (1390, 1874)]