1020260

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{367}}^1$

素因数の和:515

約数の個数: 24

約数和(自身を含む): 2163840

約数和(自身を除く): 1143580

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 367, 556, 695, 734, 1390, 1468, 1835, 2780, 3670, 7340, 51013, 102026, 204052, 255065, 510130, 1020260]

約数ペア:

[(1, 1020260), (2, 510130), (4, 255065), (5, 204052), (10, 102026), (20, 51013), (139, 7340), (278, 3670), (367, 2780), (556, 1835), (695, 1468), (734, 1390)]