2007098840

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{360989}}^1$

素因数の和:361139

約数の個数: 32

約数和(自身を含む): 4548474000

約数和(自身を除く): 2541375160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 360989, 721978, 1443956, 1804945, 2887912, 3609890, 7219780, 14439560, 50177471, 100354942, 200709884, 250887355, 401419768, 501774710, 1003549420, 2007098840]

約数ペア:

[(1, 2007098840), (2, 1003549420), (4, 501774710), (5, 401419768), (8, 250887355), (10, 200709884), (20, 100354942), (40, 50177471), (139, 14439560), (278, 7219780), (556, 3609890), (695, 2887912), (1112, 1804945), (1390, 1443956), (2780, 721978), (5560, 360989)]