2017396840

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{710351}}^1$

素因数の和:710433

約数の個数: 32

約数和(自身を含む): 4603080960

約数和(自身を除く): 2585684120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 710351, 1420702, 2841404, 3551755, 5682808, 7103510, 14207020, 28414040, 50434921, 100869842, 201739684, 252174605, 403479368, 504349210, 1008698420, 2017396840]

約数ペア:

[(1, 2017396840), (2, 1008698420), (4, 504349210), (5, 403479368), (8, 252174605), (10, 201739684), (20, 100869842), (40, 50434921), (71, 28414040), (142, 14207020), (284, 7103510), (355, 5682808), (568, 3551755), (710, 2841404), (1420, 1420702), (2840, 710351)]