2119640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2789}}^1$

素因数の和:2819

約数の個数: 32

約数和(自身を含む): 5022000

約数和(自身を除く): 2902360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 2789, 5578, 11156, 13945, 22312, 27890, 52991, 55780, 105982, 111560, 211964, 264955, 423928, 529910, 1059820, 2119640]

約数ペア:

[(1, 2119640), (2, 1059820), (4, 529910), (5, 423928), (8, 264955), (10, 211964), (19, 111560), (20, 105982), (38, 55780), (40, 52991), (76, 27890), (95, 22312), (152, 13945), (190, 11156), (380, 5578), (760, 2789)]