2387920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1571}}^1$

素因数の和:1603

約数の個数: 40

約数和(自身を含む): 5847840

約数和(自身を除く): 3459920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 1571, 3142, 6284, 7855, 12568, 15710, 25136, 29849, 31420, 59698, 62840, 119396, 125680, 149245, 238792, 298490, 477584, 596980, 1193960, 2387920]

約数ペア:

[(1, 2387920), (2, 1193960), (4, 596980), (5, 477584), (8, 298490), (10, 238792), (16, 149245), (19, 125680), (20, 119396), (38, 62840), (40, 59698), (76, 31420), (80, 29849), (95, 25136), (152, 15710), (190, 12568), (304, 7855), (380, 6284), (760, 3142), (1520, 1571)]