2015408840

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{709651}}^1$

素因数の和:709733

約数の個数: 32

約数和(自身を含む): 4598544960

約数和(自身を除く): 2583136120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 709651, 1419302, 2838604, 3548255, 5677208, 7096510, 14193020, 28386040, 50385221, 100770442, 201540884, 251926105, 403081768, 503852210, 1007704420, 2015408840]

約数ペア:

[(1, 2015408840), (2, 1007704420), (4, 503852210), (5, 403081768), (8, 251926105), (10, 201540884), (20, 100770442), (40, 50385221), (71, 28386040), (142, 14193020), (284, 7096510), (355, 5677208), (568, 3548255), (710, 2838604), (1420, 1419302), (2840, 709651)]