2040520

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{367}}^1$

素因数の和:517

約数の個数: 32

約数和(自身を含む): 4636800

約数和(自身を除く): 2596280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 367, 556, 695, 734, 1112, 1390, 1468, 1835, 2780, 2936, 3670, 5560, 7340, 14680, 51013, 102026, 204052, 255065, 408104, 510130, 1020260, 2040520]

約数ペア:

[(1, 2040520), (2, 1020260), (4, 510130), (5, 408104), (8, 255065), (10, 204052), (20, 102026), (40, 51013), (139, 14680), (278, 7340), (367, 5560), (556, 3670), (695, 2936), (734, 2780), (1112, 1835), (1390, 1468)]