2609960

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{919}}^1$

素因数の和:1001

約数の個数: 32

約数和(自身を含む): 5961600

約数和(自身を除く): 3351640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 919, 1420, 1838, 2840, 3676, 4595, 7352, 9190, 18380, 36760, 65249, 130498, 260996, 326245, 521992, 652490, 1304980, 2609960]

約数ペア:

[(1, 2609960), (2, 1304980), (4, 652490), (5, 521992), (8, 326245), (10, 260996), (20, 130498), (40, 65249), (71, 36760), (142, 18380), (284, 9190), (355, 7352), (568, 4595), (710, 3676), (919, 2840), (1420, 1838)]